Beta jo aap bata rahe h yeh bohot common hai isse koi samsya nahi. Don't worry. Aur rahi baat hasthmehun ki toh Hastmaithun ek safe /surakshit tareek ahai apni santushti karne ka. Isse koi nuksaan ya beemari nahin hoti. Aur suniye sperm ka patla ya mote se koi sambandh nahi yeh padhiye zara:http://lovematters.in/hi/resource/ejaculation