Often I'll try things that just won't happen the way I'd like them to, so hearing that they're not working saves me some wear and tear the next time around.
Live daringly, boldly, fearlessly. Taste the relish to be found in competition - in having put forth the best within you.
Emotions are the fuel to really move you along - that's the only way you can create music. If you don't feel any emotions, it's not going to happen.