Nowadays if I masturbate I get only like water not like sperm which is like thick or like small small sperm which can visible. And too nowadays I get only very small amount as output if I masturbate. I will masturbate weekly once or maximum twice. Past two months quantity have been decreased drastically. I not have any physical accident. Im normally following same diet nothing different. Even I'm physically fit. I am yoga student. I'm taking proper vitamins and immune developing foods. Even though I can't he get back normal condition. So kindly please help me, what should I follow to get back normal condition.