12 Rules for Marital Longevity is an autobiographical and philosophical account of the marriage of Léo and Faye Gaumont, who wrote the book to mark their fiftieth wedding anniversary. In its pages, they share the "rules" they followed to achieve marital longevity and true joy in their relationship.

With a Christian, biblical worldview providing a strong foundation for their union, Léo and Faye present their arguments for monogamy and the importance of children in the family. They cover critical topics such as child rearing, conflict management, and late-and-end-of-life planning all in an honest and transparent way, drawing from their own experiences and the lessons learned over five decades of marriage.

The rules they share are practical and insightful, and readers will thoroughly enjoy this retrospective retelling of their highlights and challenges, their celebrations and valleys. Ideal for married couples of all ages, and especially for those preparing for marriage, 12 Rules for Marital Longevity is a love story written by a couple who love being married.