Izzy sat where she was, silent, apparently too startled to speak. She seemed to have been caught completely off guard by Emma’s question, and her surprise made Emma feel quite smug. It made Emma feel, for once, as though she was capable of being surprising, too. Surprising, and interesting, and all sorts of good things which she didn’t usually feel she was.

“Well?” Emma said happily, after a moment. “Are you going to answer me or not?”

“I don’t know,” Izzy said slowly.