"Probably better that way," Sam told her. "Isn't it? You don't need to know anything about her. It confuses things." Plus there was the guilt factor. The demon thing. He knew that they really didn't feel sorry for possessing people, they probably couldn't care less, right? So the guilt thing couldn't even begin to halfway work as a solid argument on his part.
"I think it's better that you don't know who she is, anyway," Sam said, rising from his chair. "That way it really is all you in there."
Sam shifted across the room to fetch their drinks. While pouring, he shot Ruby an amused sort of look. "You never answered my question, you know."