I rip skin off the bottom of my feet, it's really bad because the soles are really sore and it becomes difficult to walk. I rip them off with sissors and here is the weird bit, I enjoy biting on the skin before I throw it away. I also rip the cuticules off my toenails and I bite my nails. But the feet thing is really bad, does anyone else do this? I think it might be something to do with my Anxiety.