"She did glow a fuse," Harry said. "But yeah, you kept Buckbeak safe in the middle of London. It was rather funny." Not at the time, because he'd been worrying about other things, but thinking back, it was definitely funny. "I hope it didn't, considering you slept there. Eww." He didn't even want to think about that.
He nodded. "I know. He really missed Regulus. If was talking about him that got him to accept me and my friends. He would have done anything for your brother." Even killing Voldemort, but that was something for Regulus to discuss with Sirius.
Harry went up the steps. It was strange without any other students. "It must be strange trying to catch up with everything. Have you spoken to your brother?"