I can understand how you are feeling. I felt that way all through my twenties and early thirties. I am now 37 and finally feel like I am getting on top of that whole 'don't let people's opinions of you and what you do affect you' thing. So maybe just a suggestion (I could be completely worng) but some things like this are just a learning curve that sometimes takes years of pain and frustration before you can get a handle on it. Curses!