Do you know how life changes when a young couple decides to become young parents? Do they think it boils down to adding more commitments and costs? Or do you already know about the emotional toll and everything it entails? Here’s a story that elucidates it all. "We are sitting at lunch one day when my daughter casually mentions that she and her husband are thinking of "starting a family." "We're taking a survey," she says half-joking. "Do you think I should have a baby?" "It will change your life," I say, carefully keeping my tone neutral. "I know," she says, "no more sleeping in on weekends, no more spontaneous vacations." But that is not what I meant at all. I look at my daughter, trying to decide what to tell her. I want her to know what she will never learn in childbirth classes. I want to tell her that the physical wounds of child bearing will heal, but becoming a mother will leave her with an emotional...