The Marriage Checkup provides a perfect tune-up for all married couples: those happily so, those who seldom think about their marriage, and those who simply deny that problems exist and never discuss possible ways to improve the way they relate to each other. This interactive tool includes a marriage history, communication inventory, marital satisfaction assessment, and more This is more than another how-to marriage book. It's an interactive journey that helps couples diagnose the health of their marriage and test their marriage with a self-guided quiz. Here are tools to show the strengths and weaknesses of your marriage.