To make up or break up? Whether you’re just getting serious or have a long-term commitment, no other question causes so much heartache and self-doubt. Many other books tell you how to fix your relationship. This groundbreaking bestseller is the first one to help you choose whether you should try—or you need to go.

When you said, “I do”, you entered marriage with high hopes, dreaming it would be supremely happy. You never intended for it to be miserable. Millions of couples are struggling in desperate marriages. But the story doesn’t have to end there. Dr. Gary Chapman writes, “I believe that in every troubled marriage, one or both partners can take positive steps that have the potential for changing the emotional climate in their marriage.”

One night during his divorce, after one too many vodkas and a call with a phone-in-therapist who told him to “journal his feelings,” Matthew Fray started a blog. He needed to figure out how his ex-wife went from the eighteen-year-old college freshman who adored him to the angry woman who thought he was an asshole and left him. As he pieced together the story of his marriage and its end, Matthew began to realize a hard truth: even though he was a decent guy, he was a bad husband.

In this supportive and straightforward guide, Lundy Bancroft, the author of Why Does He Do That?, and communication specialist JAC Patrissi offer a way for women to practically take stock of their relationships and move forward, with or without their partners.

Just as Masters and Johnson were pioneers in the study of human sexuality, so Dr. John Gottman has revolutionized the study of marriage. As a professor of psychology at the University of Washington and the founder and director of the Seattle Marital and Family Institute, he has studied the habits of married couples in unprecedented detail over the course of many years. His findings, and his heavily attended workshops, have already turned around thousands of faltering marriages.