Hermione rounded on him just as the tables gave a low groan under the weight of all the food that had suddenly materialised in front of them, "What do you mean," she said sharply, "that we’re going to need to rebel a bit? We’re meant to be keeping our heads down - not getting into trouble," Harry watched, feeling mildly impressed, as Ron stuffed the biggest roast potato he’d ever seen into his mouth with an appreciative groan.