Years ago my life offered up a juxtaposition with a profound lesson. I was a mom of two little girls under the age of 5 and relishing the experience. During that time I was asked to help lead the youth group at my church. During the day, I spent my time oohing and awing over crayon drawings of heads with arms and legs coming out of them. Not that my two daughters needed my praise; they clearly felt whatever they created was a masterpiece without my saying so. In the evenings once or twice a week and every weekend, I spent time teaching and playing with girls ages 12 to 18. I began to notice something startling. My little girls preened and danced and colored and delighted in themselves and life. You could tell them they were smart, kind, talented, beautiful and they would grin and nod knowingly. Not so with the teens I loved. They would continuously scrutinize themselves and find themselves terribly lacking. Try to compliment them and they deflected. Of course, there were...