[ Harold doesn't feel that John is understanding him any better, doesn't feel like he's ready to live with him again, but there's no possibility that he'll just leave him to suffer now that he knows he's suffering.

He squeezes his hand tightly. ]

You have nothing to be sorry for, [ he says softly, matching John's volume. ] Do you remember when you left after Detective Carter died? I'll be there if you need me, but I can't just act like nothing happened.