Marriage is a foundation of civilized life. No advanced civilization has ever existed without the married, two-parent family. Those who argue that our civilization needs healthy marriages to survive are not exaggerating. And yet I cannot, in good conscience, urge young men to marry today. For many men (and some women), marriage has become nothing less than a one-way ticket to jail. Even the New York Times has reported on how easily "the divorce court leads to a jail cell," mostly for men. In fact, if I have one urgent piece of practical advice for young men today it is...