Oh, if Charley only knew how soon in her timeline that she was coming to that point. But then, even that was something the Doctor wasn't aware of, since he was unconscious at the time and gets permanently separated from her without ever knowing that she thought he was dead.

Still, her words make his expression even more pained, and he rests his forehead against hers with a heavy sigh. "Oh, Charley...it really doesn't. Even if you know they'll be back, looking down on their corpse is really rather painful."