It should come as no surprise that those with the deepest sense of meaning and purpose tend to have the strongest relationships. So what about those whose lives carry no deeper sense of meaning? In the final episode of a series on how to ruin your marriage, Dr. Daniel Amen and Tana Amen discuss the role spirituality plays in a relationship. Whether spirituality is defined as religious beliefs or a sense of connecting with something larger than oneself, it's important to realize how your version of that connection affects your connections with those closest to you.