It is a good sign. It's got to be. He can't allow it to be anything else.

"/The first I got punched in the face, my pulse./" It's difficult, dragging up memories of a place he pretends doesn't exist. For her, for this, it's impossible not to. "/The first time I got punched in the face, my nose wouldn't stop bleeding. That happened. And you were there. You kept getting me tissues until it stopped. That was you. That happened."

He's got to cling to it. He wants her to cling to it with him.