[There's a long silence as Aziraphale looks for the right words to say. He's read so many books, has so many words that would fit on the top of his tongue and yet none feel right because they aren't his. He doesn't want to give Rich empty platitudes, he wants to give him his own advice.]

Like you said, it was the only thing you could do, Rich. The alternative was to keep going through all this pain you have just described for us, and that was no option at all.

But you already know that, deep inside, don't you? I'm not telling you anything you don't already know. You're a smart kid, Rich.