"I agree it is distressing," says Aziraphale placidly, going back to his book. He's in no mood to hear Illyria ranting about the Rift now. She gets locked into this single tracks and it can be very depressing to listen to. Fortunately, he's found she's also easily distracted.

"I suppose I just wondered what it is you do here," he says. "When I'm gone, I mean. What are you doing now, with all that... quiet staring about?"