Dear doctor,and I am 20 years old male. I am a single till now. I like to build up my body so I go gym regularlyand I have 5’10 by height and weight about 90kgs. I am having a problem in my life now;my masturbation does not last for more than 30 seconds. After doing my regular exercise I cannot be able to do or last it for more time. Coming about my health taking rest make me good and now I hope that you can help me to overcome from this issue. Can you please tell me a healthy diet from which I can make a better sexual health? I am waiting for your prompt replay. Please help me, thank you.