To focus excessively on small details; to fuss over or care too much about personal gain or loss; to mind or take to heart small matters.

To bicker, dispute, or get into a disagreement with someone.

To discuss, consider, or make a plan; to think over a strategy or course of action; a plan or stratagem

Rules of conduct, etiquette, or taboos, especially in the context of being overly fastidious about rituals