My husband and I have had our Brittany pup, Odin since August. He's been bitey and humpy since day one, but it's taking a turn for the worse lately. He'll start humping, then will bite onto your shoulder or ankle. If you start to push him away, he snarls and starts to shake his head. We've started immediately getting up, grabbing a few treats and starting an impromptu training session. We make the first sequence the longest in order to separate the humping and snarling from the training and treats, and to calm him down. He is currently unneutered, but we are planning on fixing that before March. He is 6 months old. Any suggestions for breaking this behavior? Yelping and walking away seems to fuel the behavior, so we stopped that.