HELP!! how can i stop?

how can i stop my bad habbit of cracking my nuckles and chewing my nail is there a sollutin?
please individual answer with really answers not similar to "just stop"
create i tried and it dont work thxs everyone! hahahahaha lol. crackin knuckles is a good piece loljkjkjk my answers crappy but whateva
I can't offer any suggestion about the knuckles, but at hand are products available to help you stop biting your nail. Here's a link for one of them:
http://www.activaboutique.com/public.pro...
Basically, you smear this stuff on your fingernails- it give them a nasty bite, so you slowly learn not to bite anymore.
hire someone to punch you in the facade when you do it