John Mayer has been trying to make Jennifer Aniston his girlfriend again. They always come back, don’t they ladies? First he dumped her via text message last August (ouch!) and then, after a brief reunion, broke up with her again in March. Apparently, now John has been begging her for another chance. The balladeer has gone boo-hoo for his Hollywood honey.

Sure, our own Erin and conventional wisdom say that in life you only get one chance. But in love, there are no rules. However, there is good advice, not to mention learning from your mistakes. That’s why I’m going to share with you the biggest relationship mistake I ever made.