"No idea," Draco said, offering Hermione the milk, "but Peeves has been acting like Umbridge’s butler all morning, and it’s been excellent. She tried to tell him to go away, but he started sobbing and rocking in the middle of the hall. And then he served her a six-tier bacon sandwich, and when she wouldn’t eat it, he started pelting bread at students until Dumbledore asked him to stop," he grinned, "it’s been very entertaining. I hope he follows her to class,"