Private Lies: Infidelity and Betrayal of Intimacy is a non-fiction book by psychiatrist and family therapist Frank Pittman, M.D. Private Lies was first published in hardcover edition in 1989 by W. Then, W. Norton & Company by the same publisher in a paperback edition in 1990. Dr. Pittman's book has been referred to as "widely quoted", by Psychology Today. It has been cited by 24 other books on marriage and family therapy counseling.<ref>Hope-Focused Marriage Counseling: A Guide to Brief Therapy, Everett L. Worthington; Marriage, Family, and Sexuality (Issues in Focus), Kerby Anderson; Affair-Proof Your Marriage : Understanding, Preventing and Surviving an Affair, Lana Staheli; Loving Relationships II: The Secrets of a Great Relationship, Sondra Ray; Technology, Spirituality, & Social Trends (Probing the Headlines Series), Kerby Anderson; The Fall and Rise of Freedom of Contract, Francis H. Buckley; We Can Work It Out: How to Solve Conflicts, Save Your Marriage, C. Notarius; Why Men Have Affairs: Real Life Solutions for Men, Women and Couples, Irwin M. Marcus; Reconciliation: A Study of Biblical Families in Conflict, Michael S. Moore; Reptiles in Love: Ending Destructive Fights and Evolving Toward More Loving Relationships, Don Ph.D. Ferguson; Loving in Flow: How the Happiest Couples Get and Stay That Way, Susan K. Perry; Why Great Men Fall, Wayde Goodall; Authentic Human Sexuality: An Integrated Christian Approach, Judith K. Balswick; Cut Loose: (Mostly) Older Women Talk About the End of (Mostly) Long-Term Relationships, Nan Bauer-Maglin; Beyond Romance: Making Love Last, Robert H. Simmons PhD; Southern History across the Color Line, Nell Irvin Painter; Multigenerational Family Therapy (Haworth Marriage and the Family), David S. Freeman; The Dance of Deception: A Guide to Authenticity and Truth-Telling in Women's Relationships, Harriet Lerner; Daddy's Little Girl and Mommy's Little Boy, Zester Hatfield; Resurrecting Sex: Solving Sexual Problems and Revolutionizing Your Relationship, David Schnarch; Couples Group Psychotherapy, Judith Coche; Transforming Anxiety, Transcending Shame, Rex Briggs; Avoiding Mr. Wrong (and What To Do If You Didn't) Ten Men Who Will Ruin Your Life, Stephen Arterburn; Before A Bad Goodbye, Tim Clinton.</ref> Books by Frank Pittman Turning Points: Treating Families in Transition and Crisis, Frank Pittman, M.D., A Norton Professional Book, (Hardcover), W. W. Norton & Company; 1st ed edition, May 1987, , Private Lies: Infidelity and Betrayal of Intimacy, Frank Pittman, M.D., W. W. Norton & Company; Reprint edition November 1990, , Mentiras Privadas (Spanish edition), Amorrortu Editores, September 1994, , Man enough: