How to Stop Your Puppy Biting, chewing and Nipping ?

Puppies spend a great deal of time playing, chewing and investigating objects. All of these normal activities involve puppies using their mouths and their needle-sharp teeth. When puppies play with people, they often bite, chew and mouth on people’s hands, limbs and clothing. This kind of behavior may seem cute when your puppy is seven weeks old, but it’s not nearly so endearing when he’s three or four months old-and getting bigger by the day!
Bite Inhibition: Teach Your Puppy to Be Gentle
Bite inhibition refers to a dog’s ability to control the force of his mouthing. A puppy or dog who hasn’t learned bite inhibition with people doesn’t recognize the sensitivity of human skin, and so he bites too hard, even in play.