A good man is hard to find. A good man without a slew of troubling ex-girlfriends is downright impossible.

Whether she was the one who got away or the one who drove him to insanity, your boyfriend’s ex-girlfriend can still linger in his memories. Or, even worse, outside his apartment.

Some ex-girlfriends are harmless and some need restraining orders. Which of these ex’s are ready to wreak havoc on your relationship?