It completely depends on one's choice. Masturbation is a safe way to satisfy oneself. It would neither harm nor cause any illness. But there are many other activities such as sports, games or other hobbies. https://lovematters.in/en/resource/men-masturbating
Aap iss baare mein humse vristaar mein charcha humare discussion board "just poocho" par aakar humse kar sakte hai.
https://lovematters.in/hi/forum
It completely depends on one