[You people and your integrity. Well, it's no urgent matter.]
Oh no, it's doubtlessly understandable. [Wise, more like. Goodness knows he'd think it'd be foolish for anyone to trust him while knowing he's a demon.] I don't claim to know what vampires are truly like, as I suspect my understanding of them is more akin to superstition and fairytales, but when that is all one knows of a subject...
[well. As said, it's understandable to be wary. Canon don't make me retcon him not having met vampires.]