It may be a little too little for a man to have sex once a month at age 40, and it is normal. In general, 4 to 5 times a month sex life.
In general, 40 year old man a month sex life about 4 to 5 times is normal, about a week for 1 to 2 times, sex life is too little or too frequent, for the health is not good.
As each person’s physique is different, may be the same age there will be differences, some people will have sex relatively more often, in order to the next day do not feel fatigue is appropriate. If you feel tired and depressed the next day after each sexual intercourse, you need to reduce the frequency of sexual intercourse.
In addition, you need to pay attention to the regularity of sex life, not too much moderation or too much indulgence. Usually pay attention to exercise, maintain a healthy diet, ensure adequate sleep, do not stay up too late and too tired, improve the quality of the body and the body’s immunity, which is to ensure that the quality of sex life based on.