Some do. There´s a journey to perfection - or professionalism. You can´t just be there without the sweat, pain and fun of the learning curve. People tend to forget that - and many of them won´t take the time to learn either. I like to make mistakes cause I learn from them. I like to be mediocre knowing the way ahead of me. It sucks to be perfect (and must be awfully boring as well) - what would you strive for without having a target?
Don´t be afraid. Read this. And keep or choose a hobby. We all need hobbies.