Do puppies grow out of biting?

Your puppy can grow out of biting if you teach it to. Dogs learn best when we show them what to do instead of what not to do. For instance, try smoothing a little peanut butter on the back of your hand. Present it to the dog, and if they lick instead of using their teeth, mark that as correct with a clicker or a verbal indicator, then give them a treat. Once that's consistent, remove the peanut butter and treat for licking, then put a verbal word to the action, like "kisses." Now you have something the dog can do instead of biting.