When it comes to marriage, some things are just necessary. So say the authors of The Necessary Nine: How to Stay Happily Married for Life Dan Seaborn and Peter Newhouse are proud to be regular guys turned professional marriage and family experts who have determined that the following nine actions will help couples stay married: (1) Establish Cherishing Attitudes, (2) Pursue Financial Security, (3) Discover Sexual Satisfaction, (4) Spend Time Together,...