how to deal with a disfigured thumbnail

[c=1F5E00][i]because of bad nerves i have bitten my thumbnail for many years, sometimes tearing the nail off in a bloody mess...anyhow it has grown back disfigured looking, mostly just skin has grown in place of the nail...and it doesn't look too good now...how can i deal with this? it's like having a minor disfigurement......would this put a woman off me?............can anything be done about it medically or cosmetically?[/i][/c]