Some people are under the impression that cheating is fair game as long as your partner cheats on you first. This, though, could not be further from the truth. Cheating is unacceptable under all circumstances . Two wrongs don't make a right! If you've been cheated on, don't stoop to your unfaithful partner's level. Ditch him or her and find yourself someone worthy of your time and affections. Cheating even as an act of retribution makes it no less reprehensible. By cheating on someone who has wronged you, you give them ammunition to ask, "If my actions were so horrible, why'd you follow suit?" Again, the very second the urge strikes to get payback on your partner by cheating on him or her, that's when you know you're better off pulling the plug on the relationship. Why would you want to remain with that person anyway? People stay with cheaters for all sorts of reasons: They buy into the cheater's ostensibly heartfelt contriti...