The western saying is that sperm is just protein, but in fact, all you need is a protein and an egg.
You can't get a girl pregnant. The role of sperm is to carry on the family line, which contains a lot of life information.
So, if you can, give up masturbation, and at the same time, if you are promiscuous and married, you should abstain from sex.
The most frequent frequency is 7 days 1 time. So if you really want to exercise, don't masturbate and have sex frequently.
I hope I can help you!