The penis does not usually become shorter, and men do not become shorter when they reach adulthood, although the penis does not develop twice. Male patients feel that the penis is relatively shorter and smaller, not necessarily because the penis becomes smaller, on the one hand, because of the decline in male physical condition leading to low sexual function, but also may be because of the male penis erection is not firm, which is caused by too frequent sex life or excessive masturbation. Male patients who have obesity, it looks like the penis is getting shorter, mainly because of abdominal obesity, the fat on the abdominal wall is thicker, relatively than appearing to have a shorter penis. In this case, male patients should reduce the number of sexual intercourse. Strengthen physical exercise, more squats, anal lifting or push-ups, can help to improve the male sexual function situation. However, in the case of older men, the decline of androgen can occur to a certain degree of penile atrophy. If you feel that your penis is short, it is recommended that you seek medical attention in time.