Nancy raises her eyebrow at him. Yeah, habits. Sure.

"Very," she tells him, and there's a moment when something around Nancy's neck changes, the makeup seemingly fading completely, leaving her with a decent puncture wound on her neck.

But just like that, it's gone, once more concealed by her use of magic and makeup.

Plus, that removes any need to keep things vague. If he gets it, he gets it.

"Of course, I know about some of my friends' furry habits, as well."