Aziraphale beams with a nice flicker of unfettered joy. "Nor did I!" he says. "I wasn't exactly sure I could, you know - do it right. But it's okay? I mean - that - that's supposed to happen?" He releases her hand for a half-hearted gesture encompassing her, covered in fantastically glowing lines of light. He's never seen anything like that, but she seems to be happy.

"I suppose that might come in handy on a dark day," he says, feeling rather pleased with himself.