Self-confidence is a feeling of trust in one's own abilities and judgment. It is a key to unlocking one's unlimited potential. There are three types of self-confidence: low self-confidence which is governed by what others think; optimal self-confidence which allows one to make decisions with absolute confidence; and over-confidence which is an overestimation of one's abilities. Developing self-confidence involves identifying and turning negative thoughts into positive ones, maintaining a supportive network, taking risks and learning from mistakes, focusing on one's talents, and accepting compliments gracefully. Having self-confidence provides advantages such as a greater sense of self-worth, enjoyment in life, freedom from doubt and anxiety, more motivation,