In his men's seminar, David Simmons, a former cornerback for the Dallas Cowboys, tells about his childhood home. His father, a military man, was extremely demanding, rarely saying a kind word, always pushing him with harsh criticism to do better. The father had decided that he would never permit his son to feel any satisfaction from his accomplishments, reminding him there were always new goals ahead. When Dave was a little boy, his dad gave him a bicycle, unassembled, with the command that he put it together. After Dave struggled to the point of tears with the difficult instructions and many parts, his father said, "I knew you couldn't do it." Then he assembled it for him.

When Dave played football in high school, his father was unrelenting in his criticisms. In the backyard o…