Rule #1: Do not sleep with your best friendRule #2: If you sleep with your best friend, sneak out like a thief in the night and hop a plane to another continent to avoid embarrassmentRule #3: Once safely on another continent, do not answer your phone, text messages, or email. In fact, you should burn them allRule #4: Pretend that night and your entire friendship never existed and start a whole new life Rule #5: Do not, under any circumstances, return...