The best way to get back at someone is not by inflicting harm on them -- whether physical, mental, or emotional pain. It's not by wishing that something bad were to happen to them. It's not by stealing from, cheating on, lying to, or publicly embarrassing them. All of these methods are cold, calculated, utterly pointless and, quite frankly, callow. Two wrongs don't make a right. By seeking retribution, you stoop to the other person's level. The best way to get back at someone is by demonstrating to them that your life is richer and more fulfilling without them in it.  In other words, you show that making the most of your life -- by indulging your hobbies and spending time with people you love -- doesn't have to involve him or her. Whether the person dumped you, cheated on you, stabbed you in the back, or did something else to betray your trust, rest assured that someday, somebody will do the same to them. It is then they'll realize how you must h...