"Mm," he says, staring back. And then, apparently out of nowhere, "Selves change.

"But I don't forget things... can't. I never knew the whole story, before. Something new. Never knew that you knew and daughter new and mother and brother. Knew."

He seems very caught up in his own singsong until his eyes dart to Regan, stirring in her sleep once again.

"She must love you very much."