He is 13 weeks.. and I am praying he only does this because he is a puppy.. at first it was cute, but now that his teeth are getting huge it really hurts and is annoying.. you can't pet him, or even brush him without getting hands chewed.. it is driving me nuts.. the only time you can pet him is when he is sleeping or tired.. please tell me this is only a puppy thing... if not how can I break him of this?? I see everyones yorkies so cute and loving looking, my gizmo is a big boy! he chews bites and doesn't like to be pampered!! but, I love him.. just gotta stop the chewing!