[Going out on a limb here, but.] Because you're a decent guy and being a werewolf isn't the worst thing in the world? I mean, believe me, at least you're not a lizard. [That whole easily detachable tail thing is pretty freaking gross, Scott..]

Was he trying to kill you like, oh there's Scott and he's a werewolf so I guess I'd better shoot him or like, wow that's one weird looking rabid dog, bear... thing?