"So I did, and I’m not one to disappoint a lady." He led them back the way Hermione had come, passing her suite and coming to a door at the end of the hall which Hermione had never noticed before. She shot him a questioning glance, and he shrugged. "I made my room unplottable and hid it behind a number of security charms, just in case," he explained. "It seemed like a good idea when  he  was living here. Only people I show the way will be able to see it."