Self-esteem is the confidence and worth that you feel about yourself. Your self-esteem 31 everything you do, think, feel, and are. It is, in fact, one of the most important 32 in your overall sense of well-being. How well you feel physically, 33 , and socially can affect your self-esteem. In turn, your 34 of self-esteem can directly affect your physical, mental, and social health.