My 3 mo Old GSP is very loving, but when I sit on our sofa or look at my phone, he barks loudly, growls, and “air snaps” (barely touching my skin). I’ve tried kindness and even tapping his muzzle and shouting a firm “no!” But he’s defiant. He growls and gets more intense. I don’t know why. He’s not aggressive. It’s more like intense play. Putting him in his crate to calm helps but I would like to have him with me when I’m watching TV.