LOL, I am the same way... I love making jewelry as well & giving them as gifts :) But I get so particular about what I am working on, that it becomes easy for me to find fault in whatever it is I'm making lol! I end up genuinely liking only about 20-25% of the jewelry items I make lol!
My most difficult thing I find with making jewelry is finding the motivation to make it. At least lately. Half the time I want to make something but just don't end up doing it. It's silly. Sigh. I'm trying to be better at it though. Lol.