"I think that's all for today," Yuta said, closing the book from which he had been reading. It was a Chinese martial arts text. Noriko, sometimes with his assistance, had been demonstrating the moves. These were based on the movements and attitudes of various animals and birds. It wasn't an easy task. He noted beads of sweat on his wife's brow. She was, he thought, very good at what she did, but she was still human and could be exhausted. She wasn't fighting now; she was teaching and didn't ...