the.com/idiosyncrasy
The personal quirk that makes you you, for better and weirder.
means A distinctive habit, trait, or way of behaving peculiar to one person or thing.
from From Greek idios (one's own) plus synkrasis (mixture) — literally your own private blend of temperament.
Spelling trapEnds in -crasy, not -cracy; it's not government.
Old meaningOnce described a body's unique physical constitution.
Medical cousinAn idiosyncratic drug reaction is unique to you.