So this might sound obvious but I realize that things bother us and cause us to overthink because we really care about it.
So whether it’s your job, reputation, a project, your friends, that boy or that girl, your family, know that it bothers you so much and you’re overthinking because you care. If you didn’t care, it wouldn’t even take so much thought in your head.
Stop overthinking anyway. It’s called overthinking for a reason.