People often ask me what they should do if they feel someone in their life -- whether their partner, close friend, or relative -- has been taking them for granted. They expect me to advise them to confront or yell at the individual. But I recommend they take a markedly different course of action -- one that leaves them visibly shocked. I advise them to thank the person, and move on. You may be asking why in the world you would thank them for anything. After all, all they've done is take advantage of the person. Well, you would thank them for one very simple reason. They've demonstrated through their actions that they're simply not worth your time, and you're simply saying thanks for helping you arrive at that conclusion. You're saying thanks for helping you realize that you deserve better -- and never again will you allow anyone to exploit your generous nature. You're saying thanks because, going forward, you're going to strive to be more judic...