If your ID says you were born on or before this day in 1983, then listen up: There are a few style rules that you should start abiding by in order to not look like an old man clinging onto the last vestiges of his youth. Being 30 is cool—embrace it and let go of dressing like a boy band member or whatever rapper is hot on the Internet at the moment. Look in the mirror and check the 10 Things You Should Stop Wearing After You Turn 30