It seemed to take a broken collar bone to help crack it but I have finally started to grow my nails. I have been biting them for as long as I can remember and I'm now 27. I think the habit is hereditory as both parents bit there's terribly (didn't they Magic). My mum stopped biting somehow about 5 years ago now and I have had several half hearted attempts but never been successful. I have always longed for beautiful fingernails, which I can polish, french manicure, ...