We've all heard the statistic: 50 percent of marriages end in divorce. It's enough to make many couples give up when the going gets tough. But what if it weren't true? What if, in fact, it's not only possible but often easier than you think to save a seemingly troubled relationship? These are the questions leading New York Times blogger Tara Parker-Pope asked herself after her own divorce. An investigative journalist, she turned to some of the top biologists, neuroscientists, and psychologists for the facts about marriage and divorce. For Better (For Worse) offers page after page of astonishing, eye-opening good news. It helps readers to discover: the science behind why some marriages work and others don't; the biology behind why some spouses cheat and others remain faithful; and the best diagnostic tools created by cutting-edge psychologists to assess the probability of success in getting married and staying married. Packed full of questionnaires to uncover your hidden feelings and tools to show how small adjustments can make a huge difference, this is the definitive guide to the most profound relationship of our lives.