Harry smiles at him, holding himself tightly together, ready to support, ready to offer a shoulder if Sirius needs one. He doesn't want to tell him that Voldemort dying meant quite a lot of other people dying as well. He just wants to see the relief on Sirius' face.

"I'm alright," he says with a simple smile. "Working as an auror. Live with Ginny Weasley. Playing foster dad to Remus' son."

Well fuck, he kind of said something right there, didn't he?