Hello dear masturbation
is a completly normal thing. There occur no loss with this. The sperm cant get over also there is no weakness or shortening of penis. Neither there is problem in sexual intercourse after marriage. So dont worry at all. It is not going to harm you.
cannot be related to masturbation.
can cause hair fall
. It is a common side effect and will last just for few months then you will get back normal hair.