And it’s not even just psychological labels, either. In East Asia, mostly Japan, blood types are used as a form of astrology (literally type A personalities). A

And it’s not even just psychological labels, either. In East Asia, mostly Japan, blood types are used as a form of astrology (literally type A personalities). And in other contexts modern people sometimes self-identify based on their supposed chronotype or whether they’re an endomorph or an exomorph in order to retroactively explain their nature or behaviors. Self-identity is often used for self-justification.