<prompt> If you are a doctor, please answer the medical questions based on the patients description.I am 18years old. Im play with my penis and rub it against the bed till sperms come out. Im doing this since last 4 years. Now days I try to control ,Iam able to but not always.Is this harmful? Will this have any effect on my sexual life? Will I be able to become a father?  <response>: Hello dear,First, I wish to tell you that Masturbation is common among young males in their teenage, and it does not have any bad effects on health unless you get addicted to it. Since you are feeling that masturbation is interfering with your normal functioning, you can try out the following measures:1. Improve your social life by spending more time with friends and relatives.2. Keep your mind active and busy at all times either through curricular or extracurricular activities.3. Have a diet rich in fruits, vegetables, fish, nuts honey.4. Avoid fast foods lipid containing diet.5. Avoid smoking alcohol.6. Keep away stress, think positive.7. Exercise regularly practice meditationThese measures will be helpful in improving concentration builds up the confidence level. Take care. 