[i]MJ's was, similarly, also very relaxed and playful, all comfy and joyful as he played around with his, ah, friend. When she pounced on him, he rolled over with a little bark, exposing his throat as a show of... trust, perhaps, and playful submission.[/i] "Yeah, that they definitely do... Don't think I've ever seen MJ this playful, not even with other dogs."