At the same time, he had become keenly aware that a person’s conduct was made up of actions that, once done, could not be undone, and that was a truly scary thing. Even if nobody else knew what you’d done, you yourself knew, and what’s more, even if you could somehow forget completely, once you’d done a thing, there was no changing that fact. There was absolutely no way afterward to deny to yourself that you were that sort of person.