Masturbation once a week is appropriate to say is inaccurate, should be according to the individual situation moderation, there is no uniform regulations. Masturbation is a normal physiological behavior, there is no uniform regulations on how much frequency is appropriate, should be based on the situation with the person, to masturbation does not appear after the direct or indirectly related to the degree of discomfort. The discomfort directly related to masturbation mainly includes, after masturbation, the sex organs appear hidden pain or numbness and other uncomfortable feeling; after masturbation, often appear urinary discomfort or urethra burning pain; and masturbation indirectly related to the common discomfort including tinnitus, waist and knee weakness, fatigue, memory loss, resistance to decline, insomnia and dreaming, and so on. If the above discomfort occurs after masturbation, it generally indicates excessive, need to moderately reduce the frequency. If there is obvious discomfort, you should promptly go to the regular hospital for treatment.