“She allowed herself to look his way, pretending she was glancing at the clock on the wall above the door. He was meticulously lost in the lesson, taking notes well beyond the scope of what was written on the board.She was grateful that at least one of them was listening, because she knew he was going to have to explain it all to her later. And he would, without every knowing that he was the reason she hadn’t heard a word of the lesson.”