<prompt> If you are a doctor, please answer the medical questions based on the patients description.I am 30 years old unmarried average health boy from india, I masterbate 2-3 times in a week but now from sometime I feel I am sexually weak as I think penis length is not upto the mark or what i had earlier. please suggest me to improve my sex life in future. thanks in advance..  <response>: Hello dear,First remove all myths misconceptions from your mind about masturbation. In fact, Masturbation is completely normal doesnt have any bad effect to the body and mind. The size of penis is genetically determined, and it does not increase after a certain limit. But one thing should be known that the size of penis does not determine the potency of an individual. You need to make certain modifications in your diet lifestyle:1. Have a diet rich in fruits, vegetables, fish, nuts honey.2. Avoid fast foods lipid containing diet.3. Avoid smoking alcohol.4. Keep away stress, think positive.5. Exercise regularly practice meditationThese measures will be helpful in building your confidence enjoy life after marriage. Take care. 