Psychology and your self-esteem: why is it so important? Because in human psychology, its level directly affects happiness, quality of life, self-confidence, ambitions, goals and other aspects. In addition, often, such psychological states as anxiety and depression are accompanied by low self-esteem, and its increase is one of the tasks of any psychologist. Our app Psychology of Self-Esteem: 6 Practices is based on a proven program to enhance the six core qualities of healthy self-esteem: