Finding a level of acceptance for recieving feedback, depends on ones open mindedness & sensitivity to critique. Yet it can, in most cases, be the guiding road to success.
Here's a link to a chap on youtube who I think gives great advice on this subject. He also has some song writing advice (click over on the right on 'more from Expert Village). Take a look and see if you can derive any benefit:
http://www.youtube.com/watch?v=kxopopM2A2ALet me know what ya think.
Tony