The typical nail biter's nails and cuticles can be pretty unsightly, so some believe that simply taking better care of your nails might inspire you to keep them out of your mouth. On your own, you can keep them trimmed and filed. Female nail biters may find that keeping them polished will help in the same way that a bitter solution might. If you need some professional help, getting regular manicures is a great way to keep your nails in the kind of shape you won't want to mess up by biting them. Artificial nails are another great way to keep you from biting, and you'll be preserving your actual nails underneath until you kick the habit.