When he became a father, Michael Lewis found himself expected to feel things that he didn't feel, and to do things that he couldn't see the point of doing. At first this made him feel guilty, until he realized that all around him fathers were pretending to do one thing, to feel one way, when in fact they felt and did all sorts of things, then engaged in what amounted to an extended cover-up.
Lewis decided to keep a written record of what actually...