Please understand and make your brother understand that masturbation is a safe way to satisfy yourself. It would do no harm nor any illness. But there are many other activities where you can spend or utilize your time such as sports, games or pursue your hobbies. https://lovematters.in/en/resource/men-masturbating Wet dreams are very common and have no negative effects on a person's health. It's not a disease hence there's no cure. Rest you can read here: https://lovematters.in/en/our-bodies/male-body/wet-dreams-top-five-facts Relax, dear! The consistency and volume of semen has nothing to do with masturbation. And neither is it any indication of fertility or infertility. https://lovematters.in/en/resource/ejaculation https://lovematters.in/en/news/semen-top-five-facts https://lovematters.in/en/news/watery-semen-dont-blame-masturbation If you would like to join in on a further discussion on this topic, join our discussion board, "Just Ask” https://lovematters.in/en/forum