No critic can be harsher about your work than you. The tougher and pickier you become the better the odds the work you show will be your best. Personally I think 98% of what I have in my library is “crap”. I find I sit and stew on my work more than ever.
Every person I talk to who is just getting started hears this from me," Be ruthless when editing photos."
I stole this post from my other site Gotakepictures.net Because Jim's post was so good it deserves a couple links.