Self-confidence is extremely beneficial to your social relationships, career, achievements and even your mood. With self-confidence: overcome obstacles and make choices without fear or self-doubt. Learn to trust in your abilities, experience and knowledge and not become discouraged after rejection or failing once or twice. Self-confidence helps you get the most out of life as you will have the courage to do the things you really want to do and not be held back by fear. Self-confidence gives you the ability to be yourself.