People sleep, Kate, he says, and Kate pulls a face at him. Pursed lips, hints of dimples in her suppressed smile. It was a mildly silly question, wasn't it?

But she's also so pleased for him, that he feels comfortable enough in both English and in her company that he can joke. Joke, and joke about words. About her sentence.

To be unable to understand must be so very, very lonely.

Of course, it's but a moment, because insomnia is the subject and that's always a dark subject in cases like theirs. "I don't sleep well, either. It's hard. Wake up.

But, my dear Thorfinn Thorsson, you should sleep, too. Need it."

It's a tease, again. Quiet, to another companion with a restless mind. And it's a statement, too. She'll fuss over him in return.