It was strange, thinking of old him and old Remus living in Grimmauld with a young Harry. It was even weirder thinking about his childhood shithole being the headquarters for the Order. Maybe the evil had finally be purged from the place.
"A hippogrriff? Oh, that's bloody brilliant! She would have blown a bloody fuse!" He couldn't help but grin at the image. She wouldn't even let Sirius get a fish. "I hope it shat on her bed curtains. Every night."
Sirius wasn't quite sure how to feel about Kreacher. He'd hated the elf. He was a sneak, and had always reported straight to his mother whenever he saw Sirius doing 'dishonorable things'. But Harry was talking about him like he was some sort of heroic figure. Maybe losing the old bitch had softened him. Losing Regulus almost certainly had. Kreacher had loved Regulus.
"Yeah, he and Reg were always close. And I guess I'm glad he turned to your side. I never liked him, but that's a me thing and I don't know what he was like in the future. Which is still a bloody weird way to think."
The reached the staircase to the Tower, and Sirius began the long climb up.