Yeah, I do all of this, too. It's really awful and disgusting. The last time I was able to keep my fingers looking nice was before my wedding to my husband. My mother-in-law told me a couple weeks beforehand that she wanted to give me a manicure for our wedding. I thought that was so sweet, and I was able to leave my hands alone for those days so that I could go to the manicurist and not be embarressed about my nails, which are really naturally strong and nice, by the way. But I went back to it again after the wedding. I hate it. I do it unawares usually, too. I can see it's a form of self-destructiveness. I figure that it will abate as I continue in healing.