On Reddit, different subreddits are devoted to each of the 16 types.

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James is a self-professed member of the most elite slice of the Myers-Briggs personality taxonomy: the rarest type, an INFJ (or mediator as its labelled by the test).

For the uninitiated, this means that hes introverted (rather than extroverted) and scores higher on intuitive (rather than sensing), feeling (rather than thinking) and judging (rather than perceiving) traits.

His exact opposite type would be an ESTP, characterised as an entrepreneur).

Despite the Myers-Briggs test being rejected by mainstream science, people like him are leading its online resurgence.

Those familiar with the Myers-Briggs test will recognise that James own personality designation INFJ reflects a somewhat paradoxical personality type: a retiring wallflower with a passionate, idealistic streak whos motivated by success; a creative who loves complex ideas, yet is fiercely critical; who is fascinated by people yet feels at a distinct remove from humanity.

So why might an INFJ be single James lists perfectionism, getting in too deep too quickly, and emotionally blanking out during a relationship as potential candidates.

Among his core audience, videos about interpersonal and romantic relationships play especially well.

Some of the recurring comments that I get are are you me or youre the male version of me, he says.

A lot of times, people just express relief that they found something that describes what theyre going through.

The Myers-Briggs is a psychometric personality test developed in the middle of the last century by mother and daughter pair, Katharine Cook Briggs and Isabel Briggs Myers.

Based on psychiatrist Carl Jungs theory of personality, it groups testers into 16 types based on their answers to a range of questions designed to assess behaviour and modes of thinking.

The test gained widespread popular appeal, and was deployed across enterprise settings in the 80s something that continues today in some sectors.

While the Myers-Briggs test lumps people into types, most modern personality tests measure traits on a continuum.

Another objection rests on the tests inability to predict meaningful life outcomes.

Basically, there isnt an algorithm that translates how people answer into how theyre likely to behave, explains Tomas Chamorro-Premuzic, professor of business psychology at University College London.

Today, this is considered a crucial element of a personality tests.

The backlash against the Myers-Briggs test has been powerful beyond being shunned by academics, a steady drip of articles over the years have condemned its shaky scientific grounding.

But this hasnt stopped diehard Myers-Briggs fans seeing themselves within the tests categories.

His interest was fuelled by browsing Myers-Briggs content on Youtube, before he decided to chime into the conversation himself.

I wanted to start sharing the thoughts that were going around in my head using the INFJ personality as a way of creating a shorthand connection saying, Hey, were similarly built in terms of our psychology, so maybe youll relate to what I have to say.

But its not just on Youtube where communities are forged in the personality probing parlance of the Myers-Briggs test.

Wired That Way Personality Test