dirty talk chats L-Arginine is a non necessary amino acid and is essential for regular performing of the pituitary gland. Contrary to the popular opinion, a lot of men face libido issues when they cross forty. A lot of them lack the strong sexual urge that they once took for granted. This drop in libido is often a result of various factors at play that include plunging testosterone levels, chronic stress and other lifestyle issues. What are some of these unwanted signs of aging? They can include osteoporosis or weakened bones, loss of muscle, weight gain that is mostly fat, bodily aches and pains, fatigue, sweating, hot flushes, decreased libido and poor sexual performance, deteriorating memory, irritability and even depression. The last point is a controversial issue. For years doctors have said sperm are dewdrops.