Self Improvement! Why It Is So Important For A Success?

Everyone have their insecurities. Nobody is perfect. Every one has their flaws. They look at other peoples, envy them for seeing so outrageously complete and perfect and wish they could trade places with them, while they look at us and thinks of the same thing. We are insecure of other people who themselves are insecure of us, Isn't it funny? . We suffer from low self-esteem or we can say lack or deficiency of self-confidence and lose desire in self-improvement because we're enwrapped in silent desperation.