You have a condition called gynecomastia. This term means 'breast enlargement in men.' This problem occured for you during puberty as it can for many teenage boys. When the hormones are out of wack during this period of your life, estrogen level rise to abnormal levels causing breast tissue to develop. While it may be possible to rid some of this problem with anti-estrogen medications, most of the time it requires surgery to remove it. See a physician about risks/benefits first and then if medication is not an option, see a specialized plastic surgeon. There are MANY men who, through the abuse of anabolic steriods, have this condition and get surgery performed on this all the time. Don't suffer with this needlessly if you don't have to if cost of surgery is not an issue.