Yep... that's what pups do.... And especially at that age. You've got a few more months of that my dear
Considering its only a form of play for them, you cant be mad
When Meka use to bite too hard, I would say "too hard" or something to that effect and she would soften her bite... if it continued, I'd make a fist and she would stop... Its easier to bite on fingers than a fist...
Congrats on the new pup
