When you are confident in your ability and capacity there is a lot to gain. Self-confidence is a tool that can help you manage your fears, cope with life’s challenges with greater confidence and maintain a positive attitude. Self-confidence is based on past experience, and it develops as you build a repertoire of success on which you depend.
Improved performance
Athletes, entrepreneurs, public speakers, and actors all recognize the importance of self-confidence. Lack of self-confidence can hinder you from achieving high performance, while self-confidence can help you to overcome 
obstacles and pursue and use those skills to succeed.
Happiness
Confidence Building Course teachers report that people with healthy self-esteem are generally happier and more satisfied with their health than people who lack self-confidence. Self-confidence can help you take over the world with more energy and determination, which has led to better relationships, better work and a sense of connection to the environment. Self-confident people are more likely to influence others easily, as well as to control their emotions and behavior responsibly. A positive attitude stems from feeling good about yourself and knowing that your place in the world is important and meaningful.
Social freedom
Confident people are more relaxed in public when they meet new friends. Since their own beliefs are personal and do not rely on the decisions of others, they will get rid of the fear of embarrassment. When you encounter new obstacles, self-confidence brings a high degree of ease. Confident people may become optimistic through self-control and participation in the future, and pass on excitement to others. In social situations, they are more relaxed and seem to attract people. Optimism from a confident person is contagious and can attract others.
Good health
Self-esteem and trust are measures of positive mental wellbeing, according to the National Mental Health Knowledge Center. In adolescence, building self-esteem starts as parents can help develop the self-esteem of their children. Children who grow up with confidence are more expected to do well in their education, take better care of themselves than their low self-esteem peers, and excel in sports and social events. Young people who are self-confident are more able to handle social pressure and take decisions regarding their best interests.