“I know, you never like to talk seriously,” he said, “but it won’t hurt you for once.” She smiled scornfully, since she considered his vague generalities the most frivolous kind of chatter—a mere vehicle for his emotions. According to her, at such times there was no question of his meaning or not meaning what he said, because he did not know really what he was saying. So she said banteringly: “What’s the unit of exchange in this different world of yours?”
