Thank you for your question. Masturbation is a fairly normal thing and doing it once a while is not much of an issue. However studies have shown that Excessive masturbation has led to a decreased sperm count over a period of time. Furthermore one needs to keep in mind that the penis is wet with seminal fluid( slimy watery fluid that comes out before the actual ejaculation) before a person masturbates. It helps in preventing friction injury of the penis. Your other problem of Nocturnal Emission is fairly common at this age and no definite cause have been found out although excessive anxiety. excitement has been linked. There has been no conclusive evidence suggesting a link between frequency of masturbation and nocturnal emissions. You can try these few measures to see if it helps. 1) Try being stress free. 2) Engage yourself in some kind of outdoor sport or join a gym. 3) Try avoiding spicy food and eat low carbohydrate low fat protein rich diet. 4) Try having small amount of meals at frequent intervals rather than a meal with full stomach. 5) Wear loose fitting clothes while going to sleep. 6) try to avoid Pornographic movies. Regarding your future Sex life , your current problems should normally go away with the suggested remedies and as age advances and is unlikely to affect your sex life in the future.