People who own good skills always live a successfull life. Confidence is one of the best and basic skill of a person to become successfull and to achieve life goals.
People who are confident hold more skills as compare to the one who is un confident or introvert. Confidence come from exploring and learning new things. People who are fond of exploring and travelling around the globe have a lot of good skills and confidence in them.
People who are confident get a lot of opportunities in life i-e in career or education. They know how to interact with other people and how to manage situations and their this skill makes them successful in life.
In a nut shell, by walking on the stairs of confidence we can reach to the luxurious room of a successfull and peaceful life.