He's not. It's just that it's easy not to notice her straight away in the dark sky.

She's standing a little way off, a woman, shrouded in shadow save for a few spots of gleaming blue. It's hard to say how long she's been there, but she's watching him with night-black eyes, one hand raised pensively to her cheek.

"Well," she says, almost indulgently, undisguisedly pleased, whether he's spotted her yet or not, "This certainly makes a pleasant change."