Option 1 -> idolatry means excessive worship or admiration, not related to personal habits.
Option 2 -> clemency means showing mercy or leniency, typically in punishment.
Option 3 -> idiosyncrasies refers to peculiar behavioral characteristics or mannerisms distinctive to an individual.
Option 4 -> laurels means honors or achievements, not personal habits.
Hence, Option 3: idiosyncrasies -> This is the precise term used to describe the unique, peculiar habits, mannerisms, or quirks that distinguish one person from another -> correct