Jon blushed a bit. "Sorry. Cuckoos, then." On the bright side, that was another thing to add to his list of things he knew about Sophie: she had a nice laugh. And that she wasn't too offended when he called her the wrong practitioner of nest parasitism.
He sensed that the story behind her sisters was probably a complicated one. She would tell him when she was comfortable. Without much else to say, Jon looked up at the sky. The clouds were starting to part, a relative rarity in the middle of London, and the sun threatened to shine down. "Want to go for a walk?" he asked, standing up. "Maybe on the way I'll think of something to say that isn't super boring."