She gives him a skeptical little once-over, like she knows exactly where his imagination is going.

"Why, you worried one of us is about to make too much noise?" she retorts, leaning towards him in a way that's half a challenge. "You know a Silence charm won't matter if he wakes up on his own anyway, right?"

But she isn't saying no. Definitely not saying that. Not with the way her eyes have dropped to his mouth like it's the most interesting thing she's seen all night.