This, therefore, reduces the chances of developing issues such as an increased blood pressure, heart disease and diabetes. Improved Confidence By fixing and altering your appearance to suit your wishes, you will automatically have an improved self-esteem. This does wonders for your social life and your mental health. Being confident in the way you look makes you feel better in all aspects of life. Gone are the days of insecurities about your physical appearance. This is one of the greatest benefits of cosmetic surgery for many patients who have lived their whole life unhappy with their exterior.