"You can always change your mind.  And not all demons are bloodthirsty.  Actually quite a few are of the non-violent variety.  It's only the killers who make the news."  He shrugs.  "As for the rest, well yeah, in my day I was pretty dangerous.  But I'm also loyal, and when I give my word I keep it.  Hell, I looked after and loved Dru for a hundred years, and she was insane."