Jacqueline Olds is associate clinical professor of psychiatry at Harvard Medical School. She teaches child and adult psychiatry at the McLean and Massachusetts General Hospitals and maintains a private psychiatry practice in Cambridge, Massachusetts. She is the author, with her husband Richard S. Schwartz, of The Lonely American: Drifting Apart in the Twenty-first Century (Beacon Press, 2009) and Marriage in Motion: The Natural Ebb and Flow of Lasting Relationships (Perseus Publishing Group, 2000), and, with Schwartz and Harriet Webster, of Overcoming Loneliness in Everyday Life (Carol Publishing Group, 1996).