PETER GOLDENTHAL, PHD, is a family psychologist in private practice in the Philadelphia area. He has appeared on the Today show and has contributed a regular column to the Hartford Courant. He presents numerous workshops on family relationships and is the author of three previous books, including Doing Contextual Therapy: An Integrated Model for Working with Individuals, Couples, and Families, and Why Can't We Get Along? Healing Adult Sibling Relationships (Wiley).