A clue to functional order could be how introversion / extroversion might shift as you grow up, thus as the different functions, dom-I, aux-E, tert-I, begin to get integrated and practised. This INFJ was a quiet, sceptical, thoughtful child, but very popular (more than he actually wanted to be). He wanted to be alone for hours after school before going out to play, for instance, which nobody understood. Not that he cared that nobody understood. Ni-introverted, strongminded child. J-stubborn. (says the P...
At puberty it looks like Fe kicked in, girls suddenly existed (
) and he was hardly ever home, but always roaming around with a huge group of distant 'friends', drinking to numb himself from the overwhelming blast of feeling-information, not caring shit about anything which made him a bit of an unwiling 'leader', rapid succession of random GF's whose name he hardly remembered, absolutely minimal contact with his family. Fe-extroverted teenager surfing the crowd rather mindlessly to get a filter on the overwhelming new sensibility.