5. DON'T CRY OVER A BREAKUP – WRITE A SONG!
Swift's romances may be brief, but they certainly leave an impression! Her "tumultuous, crazy, insane, intense, semi-toxic relationships" of the past few years have helped her craft her signature breakup ditties, including "Dear John" about Mayer and "Forever and Always" about Jonas. Harry Styles, you've been warned!