"My bedroom was a cupboard under the stairs until I was nearly eleven," he said at once, everything he’d ever pushed down spilling out involuntarily, "a cupboard that was maybe a bit bigger than Kreacher’s bedroom. They only gave me Dudley’s second bedroom because they were worried someone had figured them out when my Hogwarts letter was addressed to it. They’ve locked me in my room over the summer multiple times - why do you think there was a cat flap in my door Moony?" he snapped accusingly, but Remus only maintained his frown of concentration as he listened to what Harry had to say, "So they could give me food without having to actually see me. Not that they’ve ever fed me enough – before third year Ron and Hermione had to post me extra food that I hid under the floorboards so that it wouldn’t be confiscated.