River tightened her arms around his neck in order to settle her head more comfortably on his shoulder, ear tilted up. Listening. She caught glimpses of things, walls to keep River from getting inside. Granted, she hadn't been around the mansion as often (afraid of the noise) but she sensed something wasn't quite right.
No time for questions. (Yet.)
She eyed him for that lewd comment. "I don't know what that means."