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have taken the online test four times. You have read a dozen comparison articles. And yet you are still asking yourself the same question late at night: Am I really an ENTP, or am I an ENFP who has learned to act logical? Could I be an INTP who simply developed decent social skills? |
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This confusion is not a sign that you do not understand yourself. It is a sign that you are paying attention. Among all the Myers-Briggs type comparisons, the triangle of ENTP, ENFP, and INTP generates the most uncertainty because these three types share a powerful trait: Extraverted Intuition, or Ne. On the surface, all three love ideas, possibilities, patterns, and the thrill of a late night rabbit hole. All three can talk for hours about abstract concepts. All three can appear spontaneous, curious, and intellectually restless. |
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But underneath that shared surface, their internal worlds run on completely different operating systems. The standard Myers-Briggs letter dichotomies will not help you here. Asking whether you prefer thinking or feeling is too vague, because an ENFP can test as a thinker when they are in a logical mood, and an ENTP can test as a feeler when they are trying to be polite. The only reliable way to solve the ENTP versus ENFP versus INTP puzzle is to look at the cognitive functions. |
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This guide will walk you through those functions step by step, without shortcuts, and by the end you will not only know your true type but also understand why you kept mistyping yourself for so long. |
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why the standard test fails these three types |
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Most online personality tests rely on behavioral questions. They ask whether you prefer logic or emotions, whether you are organized or spontaneous, and whether you enjoy leading groups or working alone. For many personality types, these questions work reasonably well. But for ENTPs, ENFPs, and INTPs, they fail completely. |
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An ENTP under stress can look like an INTP, retreating into rigid logic and avoiding social contact. An ENFP in idea generation mode can look exactly like an ENTP, bouncing from possibility to possibility with contagious enthusiasm. A socially confident INTP can mimic an ENTP so convincingly that even their close friends cannot tell the difference. |
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The problem is that behavioral traits overlap. Two people can behave the same way for entirely different internal reasons. One person debates because they love intellectual sport, another because they cannot tolerate logical error, and a third because they feel a moral obligation to defend a value. From the outside, all three are debating. From the inside, they are living in different worlds. |
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This is why cognitive functions matter. You do not need to ask what you do. You need to ask why you do it. And that answer lives in the order of your functions, not in your surface |
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A short introduction to cognitive functions |
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Before diving into the comparisons, you need a basic map of the function stacks for each type. |
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The ENTP stack is Ne as the dominant function, Ti as the auxiliary, Fe as the tertiary, and Si as the inferior. This means the ENTP first generates external possibilities, then applies internal logic to test them, then checks social harmony, and finally under stress collapses into rigid detail orientation. |
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The ENFP stack is Ne as dominant, Fi as auxiliary, Te as tertiary, and Si as inferior. The ENFP also leads with external possibilities, but instead of applying internal logic, they apply internal feeling, asking whether an option aligns with their personal values. Then they use external thinking to organize, and like the ENTP, they collapse into rigid Si under extreme stress. |
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The INTP stack is Ti as dominant, Ne as auxiliary, Si as tertiary, and Fe as inferior. This is a crucial reversal. The INTP does not lead with exploration. They lead with internal logical systems, and they use Ne to explore possibilities within those systems. Their stress response involves their inferior Fe, making them suddenly desperate for social harmony or explosively emotional. |
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These stacks look similar on paper, but in daily life, they produce dramatically different patterns of thought, energy, and decision making. |
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The core difference lives in the auxiliary function |
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The simplest way to distinguish ENTP from ENFP from INTP is to look at what each type does after they generate an idea. All three generate ideas constantly. That is not the distinguishing factor. The distinguishing factor is what happens next. |
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For the ENTP, the auxiliary function is Introverted Thinking. After their dominant Ne produces a storm of possibilities, their Ti immediately asks a specific set of questions. Is this idea internally consistent? Does it contain any logical contradictions? If I follow this idea to its conclusion using only its own rules, does it hold up? The ENTP does not need external data or authority figures to validate an idea. They need logical coherence. An ENTP will discard a beautiful, exciting, emotionally appealing idea in a heartbeat if it contradicts itself. They experience logical inconsistency almost as a physical discomfort. |
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For the ENFP, the auxiliary function is Introverted Feeling. After their Ne generates possibilities, their Fi asks a completely different set of questions. Is this idea authentic to who I am? Does it feel right or wrong on a level I cannot fully explain? Would choosing this path betray some deeper value I hold? Unlike Extraverted Feeling, which looks to group harmony, Introverted Feeling is intensely personal and sometimes mysterious even to the person using it. An ENFP can logically know that option A is better than option B by every measurable metric, but if option B feels more true to their identity, they will choose option B without apology. |
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For the INTP, the auxiliary function is Extraverted Intuition, but this functions differently because their dominant is Ti. The INTP does not explore first and then analyze. They analyze first and then explore within carefully bounded logical limits. An INTP’s Ne serves their Ti, not the other way around. This means the INTP is slower to generate possibilities because each possibility must first pass through an internal logical filter. But once an INTP commits to exploring an idea, their depth of analysis is unmatched. |
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A helpful image is to think of a cart and a horse. The ENTP’s horse is Ne, and the cart is Ti. The horse runs wherever it wants, and the cart follows, trying to make sense of the path. The INTP’s horse is Ti, and the cart is Ne. The horse moves carefully and deliberately, and the cart follows only where the horse leads. The ENFP’s horse is also Ne, but their cart is Fi, meaning the cart asks not whether the path is logical but whether the path feels like home. |
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The debate test |
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One of the most practical ways to distinguish these three types is to watch them in a debate. Not a high stakes argument about something that matters, but a low stakes, playful debate about something trivial. |
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The ENTP will debate anything, even a position they do not believe in, purely for the pleasure of testing logical structures. They will argue that the earth is flat, that water is not wet, or that up is actually down, not because they believe it but because they want to see if the argument can be made to hold up. When someone proves them wrong, the ENTP feels no loss of ego. They simply admire the better argument and immediately look for the next interesting fight. For the ENTP, the debate itself is the reward. |
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The INTP will only enter a debate if the topic contains genuine logical gaps that need correction. They have no interest in playing devil’s advocate for entertainment. If an INTP hears someone making a factually or logically incorrect statement, they feel an almost compulsive need to correct it, not to win but to restore order. However, the INTP will remain silent if their internal model is not yet complete. They hate speaking before they have fully thought through every angle. When an INTP loses a debate, they do not feel defeated. They feel a quiet need to go research alone and rebuild their understanding. |
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The ENFP will debate primarily when a value or a person they care about is being threatened. They are not interested in abstract logical sparring. If the topic is emotionally neutral, the ENFP will often redirect the conversation toward harmony or simply lose interest. But if someone attacks something the ENFP holds dear, they can become surprisingly fierce debaters, using their tertiary Te to marshal facts and evidence in service of their Fi values. When an ENFP loses such a debate, they do not feel intellectually bested. They feel unheard and morally dismissed, which is a much deeper wound. |
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So ask yourself honestly. When you argue for fun, are you doing it for the sport, for the correction of error, or for the defense of a value? Your answer points directly to your type. |
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the social battery test |
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All three types describe themselves as ambiverts, meaning they feel somewhere between introverted and extraverted. But the reason for this ambiversion is different for each type. |
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The ENTP gains energy from external idea generation. Being around interesting people, hearing new perspectives, and encountering unexpected arguments all fuel the ENTP’s dominant Ne. However, the ENTP also needs significant alone time to process those experiences through their auxiliary Ti. Without that alone time, the ENTP feels intellectually cluttered, as if they have collected too many ideas without sorting any of them. This creates a pattern of social intensity followed by sudden withdrawal. The ENTP can be the life of the party for two hours and then disappear without saying goodbye, not because they are rude but because their Ti is full and needs to digest. |
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The INTP gains energy from internal logical systems. Social interaction is almost always draining for the INTP unless it is deep, abstract, and one on one. Small talk, group dynamics, and emotional expectations exhaust the INTP quickly because all of these things require their inferior Fe, which is not efficient. The INTP appears introverted to everyone who meets them, and they rarely question that label. They can enjoy socializing in small doses, but they experience it as a cost, not a benefit. |
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The ENFP also gains energy from external people and possibilities, like the ENTP, but their auxiliary Fi means they also need solitude to process feelings. The ENFP can be warm, chatty, and socially magnetic, but then suddenly quiet and introspective as they check in with their internal values. Unlike the ENTP whose withdrawal is about cognitive sorting, the ENFP’s withdrawal is about emotional alignment. They need to ask themselves whether their social experiences felt authentic and whether any values were compromised. |
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A simple way to check your own pattern is to remember the last large social gathering you attended. At the end of the night, did you feel drained but happy, drained and critical, or selectively energized depending on the quality of conversation? The ENTP feels selectively energized by good conversation and drained by boring conversation. The INFP variant here does not apply, but the ENFP feels drained but happy if the gathering was meaningful, and drained and empty if it was superficial. The INTP feels drained regardless, but especially drained if they had to perform social niceties. |
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the stress test reveals everything |
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If you are still unsure of your type, the most revealing diagnostic is the stress test. Under extreme, prolonged stress, your inferior function takes over, and the result is not pretty. Each of these three types falls apart in a different way, and those ways are so distinctive that they cut through all confusion. |
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When an ENTP is under extreme stress, their inferior Si emerges. The normally flexible, idea driven ENTP becomes uncharacteristically rigid, nostalgic, and obsessed with details. They might suddenly insist on doing things the way they were done in the past, even if that way is objectively worse. They might develop hypochondria, obsessing over past health choices or minor physical sensations. They might fixate on routines, schedules, and small sensory facts that they normally would not care about at all. An ENTP under stress looks like a caricature of an unhealthy ISTJ, rigid, critical, and trapped in the past. |
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When an ENFP is under extreme stress, their inferior Si also emerges, but with a different flavor. The ENFP becomes harsh, critical, and detail oriented in a moralistic way. They might bring up past slights with painful precision, saying things like you never listen to me, and on Tuesday at three seventeen you said exactly this. They fixate not on routines but on memories of emotional injuries. An ENFP under stress looks like an unhealthy ESTJ, using factual memory as a weapon to defend their wounded Fi. |
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When an INTP is under extreme stress, their inferior Fe emerges, and this looks very different from the Si stress of the ENTP and ENFP. The INTP becomes uncharacteristically concerned with social harmony or explosively emotional. They might suddenly try to please everyone around them in a clumsy, awkward way. Or they might have an emotional outburst that shocks everyone who knows them, screaming or crying over something that seems minor. An INTP under stress looks like a panicked ESFJ, desperate for connection and completely out of control. |
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So ask yourself about your last major breakdown. Were you obsessing over past routines and physical details? That points to ENTP. Were you obsessing over past emotional wounds and using memory as a weapon? That points to ENFP. Were you suddenly desperate for social approval or having uncharacteristic emotional explosions? That points to INTP. |
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The idea execution pattern |
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Another powerful distinguishing factor is what each type does with their ideas over time. All three generate many ideas. But their relationship to finishing those ideas is radically different. |
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The ENTP typically has a hundred ideas and finishes perhaps ten of them. But before finishing those ten, they have already started five more. The ENTP does not experience this as a failure. For the ENTP, the pleasure was in the thinking, not in the completing. They genuinely enjoy the process of exploring possibilities more than the process of executing them. The unfinished projects do not haunt them. They simply move on to the next interesting puzzle. |
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The INTP typically has fifty ideas and finishes two. But those two are developed to a PhD level of depth and rigor. The INTP feels genuine guilt about the other forty eight ideas, not because they wanted to finish them for practical reasons but because an incomplete logical model feels like a personal failure. The INTP would rather finish one idea perfectly than finish ten ideas adequately. |
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The ENFP typically has a hundred ideas and finishes perhaps thirty, but only those that align with their core values. The ENFP abandons the other seventy without guilt, not because they are lazy but because those ideas felt wrong. For the ENFP, an idea that does not resonate emotionally is not worth pursuing, no matter how logical or profitable it might be. They do not mourn abandoned ideas. They simply recognize that those ideas were not for them. |
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Ask yourself about your own project history. When you do not finish something, do you feel intellectually restless, theoretically incomplete, or emotionally disengaged? The ENTP feels restless and ready for the next thing. The INTP feels incomplete and guilty. The ENFP feels disengaged and unbothered. |
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Real word examples |
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To make these patterns concrete, it helps to look at well known examples of each type, though of course no public figure can be typed with absolute certainty. |
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The ENTP pattern appears clearly in Socrates, who famously debated not because he had answers but because he wanted to test everyone else’s logic through relentless questioning. It appears in Mark Twain, whose wit often took the opposing side just for the pleasure of the argument. It appears in the character Tyrion Lannister from Game of Thrones, who plays devil’s advocate constantly but with an underlying sense of humanity that comes from tertiary Fe. |
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The INTP pattern appears in Albert Einstein, who built internal logical models first and only then explored their implications through thought experiments. It appears in Charles Darwin, who spent decades gathering data and refining his internal model before publishing. It appears in the character Lisa Simpson from The Simpsons, who corrects logical and factual errors quietly and feels deep distress when the world does not make sense. |
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The ENFP pattern appears in Robin Williams, whose comedic genius was driven by Ne generating endless possibilities and Fi infusing them with personal feeling and authenticity. It appears in Anne Frank, who wrote that despite everything, I still believe people are good, a quintessential Fi statement rooted in personal value rather than evidence. It appears in the character Phil Dunphy from Modern Family, whose enthusiasm for ideas is always filtered through his love for his family and his personal sense of what is right. |
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The three questions diagnostic |
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If you have read this far and still feel uncertain, answer these three questions as honestly as you can. Do not overthink. Give your first instinct. |
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The first question asks about argument. You find yourself in an argument about a topic you do not actually care about, perhaps politics or sports or some abstract philosophical question. Do you keep arguing because it is fun to test the logical structure, do you walk away because arguing without truth seeking is pointless, or do you feel uncomfortable and try to redirect the conversation toward harmony or personal values? Keeping arguing for fun points to ENTP. Walking away points to INTP. Feeling uncomfortable and redirecting points to ENFP. |
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The second question asks about ideas. You have a brilliant idea for a new business, a creative project, or a scientific theory. What excites you most about this idea? Is it the chance to debate the model with smart people who disagree with you, the chance to build the perfect logical structure alone first, or the chance to imagine how this idea could help real people you care about? The debate excitement points to ENTP. The solitary structure building points to INTP. The helping people excitement points to ENFP. |
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The third question asks about criticism. Someone criticizes a decision you made recently. Your gut reaction, before you have time to think about it, is one of three things. Do you immediately wonder whether the critic’s logic holds up and consider switching sides if it does? Do you feel that the critic probably did not understand your reasoning? Or do you feel that the criticism was personal and unfair, a hit against your character rather than your logic? The openness to switching sides points to ENTP. The sense of misunderstood reasoning points to INTP. The feeling of personal unfairness points to ENFP. |
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If you answered mostly with the first option in each question, you are almost certainly an ENTP. If mostly the second, you are an INTP. If mostly the third, you are an ENFP. |
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What if you still relate to two types? |
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Even after all of this, some readers will still feel a strong connection to two of the three types. This is especially common for ENTPs who have developed their tertiary Fe and their shadow Fi, making them feel like they have personal values. It is also common for ENFPs who use their tertiary Te, making them feel logical and organized. And it is common for INTPs who have developed their auxiliary Ne, making them feel socially flexible. |
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Here is the final tiebreaker. If you have ever cried during a logical debate out of pure frustration that someone was not being internally consistent, you are likely an ENTP with developed Fe. That frustration is not sadness about the topic. It is the feeling of your Ti being violated. |
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If you have ever abandoned a perfect logical solution, a solution that worked perfectly on paper, because it felt soulless or wrong in a way you could not explain, you are likely an ENFP. That abandonment is not irrational. It is your Fi recognizing something your Te cannot measure. |
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If you have ever stayed silent in a debate not because you were shy but because you had not yet finished your internal model, and you knew that speaking too early would produce an incomplete argument, you are likely an INTP. That silence is not social anxiety. It is Ti integrity. |
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If you are still unsure after that, track your energy for one week. Do not track what you do. Track how you feel after doing it. The ENTP is drained by routine and energized by intellectual friction. The ENFP is drained by inauthenticity and energized by emotional resonance. The INTP is drained by social performance and energized by solitary system building. |
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why getting this right actually matters |
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Knowing your true MBTI type is not about putting yourself in a box. It is about having an accurate map of your own cognitive habits. An ENTP who believes they are an INTP might avoid collaboration unnecessarily, thinking they need more solitude than they actually do. An ENFP who believes they are an ENTP might suppress their own values in an attempt to be more logical, leading to quiet burnout over time. An INTP who believes they are an ENTP might force themselves into social situations that drain their battery, wondering why they feel exhausted all the time. |
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Once you know your actual type, you can build workflows that respect your cognitive stack. You can choose relationships that complement your default modes rather than clashing with them. You can forgive yourself when your inferior function takes over under stress, recognizing it as a known pattern rather than a personal failing. |
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The goal of typing is not restriction. It is freedom through self knowledge. |
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A final word from a former mistyped ENTP |
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The author of this guide spent two years convinced they were an INTP. Then another year wondering if they might be an ENFP. The confusion came from looking at behaviors rather than functions. They enjoyed alone time, which suggested introversion. They cared and noticed about group harmony, which suggested feeling. Neither of those behaviors was wrong. They just pointed to the wrong explanation. |
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The moment everything clicked was the moment they understood the difference between Ne Ti and Ti Ne. They are not an introverted thinker who occasionally explores. They are an extraverted explorer who thinks. That small shift in function order changed how they work, how they love, and how they argue, all for the better. |
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If you are still uncertain after reading this guide, spend a week lurking in the online communities for each type. Not the meme pages, but the serious discussion forums. One of them will feel like home. The other two will feel like visiting interesting but slightly foreign neighbors. Trust that feeling more than any test result. |
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Liked this breakdown? You might also enjoy reading our guide to ENTP cognitive functions. For external resources, Personality Junkie and IDR Labs offer excellent function based descriptions of all three types. |
ENTP guide: https://theentpguide.my.canva.site/ |
Personality junkie: https://personalityjunkie.com/ |
IDR Labs: https://www.idrlabs.com/personality-types.php |
Share this article with anyone who keeps changing their type every time they take a new test. They will thank you, or they will debate you. Either way, the conversation will be interesting. |
The ENTP code by Welmer Rehorst - Why the debater mind is the most powerful force you’ll never understand |
Available now on amazon |
👉https://www.amazon.com/ENTP-Code-Debater-Powerful-Understand-ebook/dp/B0G15RQJ94 |
More from the author - https://linktr.ee/welmerrehorst |
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