What determines the male power?

What determines the sexual activity of the representatives of the strong half of humanity, their male power?
Sexual relations play an important role in everyone's life. The attraction, passion, love - these feelings at all times obsess as Voltaire said, "head, heart and body." That's just the "call of the body" occurs in each individual with varying frequency. So from what does the male power?
Sexual activity - is the average specific to the individual frequency of sexual intercourse. And why a man is sexually active daily for many years, and the other is not able or does not need such activity?




