Well done!!!
Be proud of yourself, and what better reward could there be than having nice hands?
How I did it: Honestly, i'm not competely 'cured' but i'm definately better - only biting when im nervous...well i tend to pull my eyebrows now.
To do it i used a combination of handcream, this nails inc cuticle cream (which tastes gross) and painting my nails.
Lessons & tips: above.
Resources: nails inc