"Listen, my sweet. When you were a little girl, were you ever forbidden to read certain books, and did your father put those books under lock and key?" "Yes," I said. "Well, then. A husband is not so very different from a father after all. There is a certain type of knowledge I prefer you not to have. It's better kept under lock and key. So that's that. And now eat up your peaches, and don't ask me any more questions, or I shall put you in the corner."