"Hello, Susan," Daphne returned, echoing her yearmate's formal tone. Subtly, her eyes followed the movement of Susan's hands. It seemed she might be trying to hide something but Daphne didn't exactly feel she had any sort of authority by which to demand some proof. She knew that many of her fellow Slytherins would not find anything wrong with simply reaching over and demanding that Susan explain - Ambrose, for example. She could picture him, very clearly, launching a practical interrogation without batting an eye.
Daphne had never been so forward, even during her days in the Inquisitorial Squad.
She ventured instead to veil her suspicion behind concern. "It's getting near curfew, you know."