Yin there is no harm male hand?

Yes, frequent, excessive masturbation cause premature ejaculation, impotence. Masturbation, I think every adolescent boy has, but as long as the degree of masturbation, then the body is not much affected, such as about 3 times a month, if over, say, three times for a week, then the body is influential recommended more exercise, to focus on physical exercise, and read more books, then the desire to masturbate slowly consumed, I wish you health

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