Statements like the previous comments were obtained from extensive interviews conducted over 20 years. In 1975, my clinical team and I at The Problems of Daily Living Clinic at Sinai Hospital, Detroit, Mich, began videotaping interviews with highly successful persons and their families. We conducted thorough medical examinations, Holter monitoring, psychological testing, and videotaped subjects at work, at home, and sometimes when they were driving. Whenever possible, we also interviewed their clients and patients, spouses, and other family members. When we could, we collected dental records and interviewed the persons who worked for and/or with them. I'm proud to say that this work earned us the Rush Gold medal for achievements in preventive psychiatry from the World Congress of Psychiatry.