Mouse, your question is really interesting to me. I had a hard time relating to it because I couldn't get past that word, "horrid." I don't feel any parts of me are horrid. I do have a lot of flaws, for example, I am only too willing to take the blame for anything that goes wrong--I see everything as "all my fault"--but this part of me isn't horrid, perhaps just misguided, and I need to work on seeing that other people have responsibilities in relationships too, not just me.

Maybe it's just a different way of answering your question, but maybe instead of thinking of parts of yourself as "horrid," you could just learn to love all of your parts. Mouse, maybe you don't actually have horrid parts!