A 2006 study found that only 35% of men were satisfied with the outcome of surgery, which added only half an inch, on average, to length. Mega Male Enhancement Men who are overly preoccupied with penis length tend to have unrealistic expectations of surgery and should seek counseling instead, the authors wrote. "If a woman can have a breast enlargement and it makes them psychologically feel better," he reasons, "then perhaps we should have the same thing for men."