If anyone can give me advice, please, please, please do so. Our little prince will be 12 weeks old on Sunday, and has a severe biting problem. He bites hands when we are trying to play with him, he bites shoelaces and feet when walking. This little stinker even bites the air! I have tried several different things, and nothing seems to work. I tried the yelping thing to let him know he was hurting me, and would then ignore him for a few minutes. I tried using the empty spare bathroom as a time out, and I have tried turning him over on his back and gently pressing down on his chest, growling and telling him, "no". He has many, many toys to bite. Why does he bite me? I refuse to hit or strike him in any way, so that is out of the question, but I don't want him to walk all over us either. He has been biting for quite some time, and those teeth are getting sharper, and his bite is getting stronger everyday. Yes, I am crate training him, and that is going well. Vet says he's very healthy and sturdy. The breeder we bought him from is extremely well-established, and has an excellent background. I can't seem to figure it out. I will start him in puppy socialization and behavior classes within the next couple of weeks, but I am concerned that he will bite the whole world if given the opportunity. He is extremely loving, and knows a few commands, so he is not completely out of control. He seems to get more riled up and bite more at night though. Any help? Advice?