If your whole life is centered around having a perfect body, then any criticism of your body will be an attack on your whole world. If life is all about your job, then taking a hit at work will see your life crumble.
How can you become less sensitive to criticism? What does sensitivity to criticism have to do with being interesting? How do you learn to not give a crap about what others think of you?
Listen and get provoked, or get some useful tips.