Do men in their fifties still have sex? How often?

Men in their fifties still have sex, but there is no authoritative information on how often, usually 3 to 5 times in 40 days is fine.
Although, at the age of fifty has reached middle age, gonadal function is gradually decreasing, but, fifty-year-old men still have sex life. Secondly, there is no authoritative information about how often a man in his fifties should have sex. Usually, the body of all aspects of the good fifty-year-old man, in general, sexual life frequency control in 40 days 3 ~ 5 times can be.
If the fifty-year-old man after coitus appeared tired, fatigue, waist and knee soreness (waist and knee soreness and weakness of the feeling), dizziness and other uncomfortable symptoms, it shows that the number of coitus is too frequent, the need to appropriately reduce the number of coitus, prolong the two coitus directly between the time. It is recommended that middle-aged people rationalize the time of coitus, avoid overwork, ensure that there is sufficient rest time.
In summary, fifty-year-old men need to strengthen the management of sexual life, not too much coitus, so as not to affect the health of the body, resulting in adverse effects.