Alternative form of mind one's own business

Alternative form of stick to one's knitting

(idiomatic) To concentrate on one's own tasks, affairs, area of expertise, etc., especially in order to avoid distraction, embarrassment, or other needless problems.

(idiomatic) To refrain from speaking; to be silent.

Alternative form of hold one's peace

(idiomatic) To eat, especially in a hearty or greedy manner.

(informal) To eat.

Alternative form of put one's affairs in order

A slap. / (idiomatic, figuratively, by extension) A display of disrespect or scorn.

(idiomatic) To commit a murder in order to be respected in a criminal gang. / (idiomatic, by extension) To establish one's bona fides; to establish status and respect.