In the past a wealthy man would build a castle to protect his possessions and his people. Today we build high fences to keep thieves out and our precious things in. Yet most of us spend very little time thinking about how to protect our most important human relationship. Marriage costs a lot of time and money, and it can have eternal consequences. If it fails, it costs even more! When a marriage breaks up, not only the couple are hurt, but their children, their families and their friends suffer.