I think what he was getting as is this: Did it fast heal as a free action, or did you fall down and do that on its turn, thus granting vaarth, John, and colt attacks while it lies there unconscious for a moment?
Either way, John is up. And gets a AoO when it stands up.
None. And yes, John is up.
I do all of this on my phone... I'm sorry if I'm slow or miss a post.