A crash course in commitment: one couple and forty dates that could make or break their marriage before the wedding. Picking a partner is life's most important decision, but how are we supposed to make it? Being in love is a good start, but the issues that ultimately wreck marriages--money and monogamy, career and kids--are hard to gauge until you're actually hitched. So after a few years of dating, Jill Andres and Brook Silva-Braga built The Marriage...