Personality & typology, an overly verbose & tiresome introduction. Perfect for the TL;DR era.... -_-

Welcome to the stamp-collecting "pseudoscience" of personality categorization, and a foreshadowing of ways in which it may be useful for characterization within fictional writing -- even if not fully useful IRL, due to the complexity of the supercomputers in our skulls which may be as chaotic as the weather despite also following some trends and patterns.