Upper-left sickness radical, five strokes depicting a person leaning against a bed. Anchors
痴 as a mental affliction —
痴 originally named foolishness as an illness of the mind, then softened into 'silly, infatuated, obsessed.' Same family of mind-state ailments:
疯 (mad),
疾 (illness),
痛 (pain),
疲 (weary).