Wilde laughs, brightening a little, but there's something a little odd in his manner when he asks, "Did you ... dream about anything?"

You can sleep now, she says, but he opens his eyes instead, shaking his head.

"I don't know if I can. It's ..." Trailing off, he shrugs. "Hard to explain. You'll understand, when we just happen to visit the library on the same day and time."