I build for myself and to enjoy on my shelf, BUT I do compete. Each new model makes the rounds of the few contests I attend once. If it wins great, if it didn't, it obviously didn't deserve to. However, I'm still happy with it. But because I compete, I do try to built to a compedative level.
I have written a post about the very thing you are experiencing and rather than post it over and over again for these situations, I just put a link in my signature line. Check the Walk Then Run link below and you'll see a discussion about your issue. I think it will be enlightening.