Sam held up his hands to show that he wasn't going to pursue the Twilight thing, regardless of the way the two of them had been staring at each other.
He flinched a little at being hauled across the threshold--not because he actually sensed the threshold but because he hadn't been touched by another human being in...what had it been? Somewhere between six months and a hundred years. Thankfully, he managed to resist the urge to put Harry into an arm-bar, without having a panic attack. It probably helped that they had bigger problems to deal with.
Like the zombie apocalypse.
He stepped a little further inside--out of Harry's considerablly long reach--and waited. "So you're hunters, right? You want to explain why we're trying not to kill the flesh-eating monsters? I've been mostly dead all day."