You know those people who think they know you better than you know yourself? Yeah, you should ignore them. I'm talking about the ones who try to pass judgment without knowing much about you. The people who are clueless as to your goals, dreams, struggles, travails. Why do people do this? Because they're insecure about themselves. They're constantly measuring themselves against other people -- their looks, their clothes, the car they drive, their job, their overall lifestyle. When people perceive you as a threat, they try to do all sorts of things to malign you behind your back -- from spreading rumors to downright character assassination. I've seen this firsthand at work. The bottom line is that no one knows you better than you know yourself. Only you have the right to pass judgment on or criticize yourself, for no one else walks in your shoes. It's okay to offer some form of constructive criticism when warranted -- many of our well-meaning friends a...