If you change your thoughts you change your wold. Positive thoughts make you happy. If you are focusing on the negative side of your life you will develop depression and low self esteem. Feeling confident is very important because it improves every aspect of your life. If you feel you lack confidence you can build it up by applying the principles of NLP on your life. Modelling is one of the best way’s to improve your self esteem. When you experience the feeling of high self esteem. You will find more happiness and higher lever of confidence. You will be successful in every aspect of your life.