"Miss Erso," he replies, because calling her by rank would make her sullen and remind her of all they've lost, and he's putting that off for as long as possible.

Also, she's smiling, and he doesn't get to see that as often.

"I am happy." That's true, actually. He's happier than he's been in a while. Jyn is here, she loves him, and they're alive.

Everything else is a lot more complicated, but there they have it. "Are you happy? You look happy."