Spouses Dr. B. Janet Hibbs, author of Try to See It My Way, and I spoke on why couples who have managed to stay together for a long time end their marriage. Then marriage and family therapist, Dr. Karen Gail Lewis, shared how spouses’ sibling positions can work for or against couples, particularly when conflict arises. Non-complementary sibling positions with their unconscious roles can be a major source of marital conflict.