He jerks at the fake toss, less as an attempt and more to show he's ready. Blue eyes are bright and his tongue is lolling from the side of his open mouth. Sure, he's human somewhere and this would be ridiculous... but he's not human here and he has nothing to worry about but enjoying his time with her. Go ahead, Ami. He'll crouch down in front, tail wagging happily behind him and give a short bark. Play with him?