<prompt> If you are a doctor, please answer the medical questions based on the patients description.Good afternoon doctor My age :20 Height :5.8 Weight :54 Please tell me the disadvantages of hand job and its effects My body is very weak what I have to do to improve my body ? Now my penis is very small too I m not happy with that . Please sir it s humble request give me valuable suggestions Thank u sir  <response>: Degree understand your concerns went through your details. There are no side effects for masturbation. Masturbation is natural, normal and is not unhealthy. But, as masturbation is tiresome, consumes energy, frequent masturbation can deteriorate your health. Inadequate knowledge like you have now about masturbation can manifest anxiety disorder and obsession with the person. You are 20. You can masturbate three times in a week. Regarding your penis, dont unnecessarily worry about its length. It is not because of masturbation. Also understand, even a 2-inch erect penis can satisfy any woman across the world. Be happy. If you require more of my help in this aspect, please use this URL. Make sure that you include every minute details possible. Hope this answers your query. Available for further clarifications. Good luck. Take care. 