There is no authoritative information on how long 65 years old can have a sex life, generally can be 12 days once, or even once a month can be, the above data is for reference only, the specific also combined with their own situation, if the cohabitant after the discomfort, you need to reduce appropriately. The age of 65 has reached the age of old age, but still have sexual needs and sexual ability, can have sex. At present, there is no relevant authoritative information to indicate how often 65 years old can have sex. In general, 65-year-old people can have sex 12 days, or once a month, the specific frequency of coitus is related to their own constitution, there are obvious individual differences. If the 65-year-old old man after coitus appeared lumbago tinnitus, fatigue, weakness, dizziness and other symptoms, it means that the number of times is too frequent, you need to appropriately extend the interval between two coitus, pay more attention to rest, avoid excessive exertion, otherwise it is easy to affect the health of the body. In summary, 65-year-old people need to rationalize the time of sex life, to ensure that there is sufficient rest time.