[MaggieRoseLee]

http://www.germanshepherds.com/forum/puppy-behavior/85888-teaching-bite-inhibition.html

Tons of reading here.

Make sure you read that link. Most of our GSD pups act like yours, and since you got yours about 2 weeks earlier than recommended, he missed out on SOME of the learning that may have helped from his mom and littermates.