How do I stop second-guessing every call as a rookie cop?

You are new, and you second-guess every call, caught between the fear of overreacting and the fear of freezing. That constant self-doubt is heavy, but hear this: it means you take the weight of the job seriously. The rookie who never second-guesses is the one to worry about. Yours is a conscience doing its job. Right now every decision feels huge because you do not yet have the reps that turn judgment into instinct. That comes. Experience is what slowly quiets the second-guessing, not because you stop caring, but because your training and your gut start working together. The doubt you feel now is the raw material that becomes good judgment later. Lean on your training, your partners, and your reviews to learn from each call instead of just replaying it in fear. After a shift, ask what you would do the same and what you would change, then let it go. You are supposed to be unsure at the start. Give it time and honest reflection, and the freeze-or-overreact fear will settle into steady judgment.