Self-Concept: A healthy self-concept is the foundation for the positive development and over-all well-being of a child. When a child has a healthy self-concept, he sees himself as being loved, loving, and valuable. A child with a healthy self-concept is also better able to reach his full potential. He does better in school. He is better able to set goals for himself and make decisions. He is more willing to learn new things and try new activities. With a healthy self-concept, a child has better relationships with family members and friends. He can control his behavior and get along with others.
(http://www.positive-parents.org/2012/03/building-positive-self-concept.html)