Rabastan looked for a moment like he might go for his wand. He quickly thought better of it, however. There were too many witnesses here. The better thing would be to wait. To wait and to speak to Narcissa's father at the earliest possible convenience. Turning on his heel, he strode from the room.
Claudius crossed the room and clamped a hand on Lucius' shoulder. "You need to be getting to a room of your own, mate. Come back in the morning. It won't do Narcissa or you any good to have you wearing yourself out."
"Not to mention your lack of trousers is doing nothing for her reputation," Evelyn pointed out helpfully.