When people are happy, they have a reserve, she had told Elizabeth, upon which to draw, whereas she was like a wheel without a tyre (she was fond of such metaphors), jolted by every pebble, so she would say staying on after the lesson standing by the fireplace with her bag of books, her "satchel," she called it, on a Tuesday morning, after the lesson was over. And she talked too about the war. After all, there were people who did not think the English invariably right. There were books. There were meetings.