[He knows what it's like to worry about the people left behind when there's a supernatural disaster hanging over everybody's heads, but it's not like that's anything he wants to talk about either. Dean lets the comment about Ace's family go though - because who wants to talk about feelings anyway - and focuses on the questions with a shrug.]

Mostly, they're kind of like people, actually. Some of them are assholes. Some are alright. Can't you talk to them? I mean... You are a dog, right? [Rather than some sort of supernatural creature that just looked like a dog, since that would be just Dean's luck.]