Unfortunately age, like genetics, in terms of semen volume is a factor that is out of our control. There was no significant change in motility with increased abstinence up to days, beyond which motility significantly decreased. However, I can comment on vaginal sex with women. Stay away from lubricants during sex. Horny goat weed is often used as a natural remedy for treating erectile dysfunction because it is less potent than Viagra or other herbs like yohimbe, which can cause serious heart issues.
After all, it only takes one sperm to fertilize the egg.
How to increase semen volume: the Ultimate Guide to massive loads
L-arginine is another common amino acid used to boost semen production, as studies show that both sperm and semen volume doubles and fertility improves when taking the supplement. I totally agree with you. Drinking lots of water helped me more than anything else, but having a proper diet is also good to nourish your body. Increasing semen volume and shooting semen farther are two entirely different subjects and should be treated as such. Some family research will help you understand if your issue is genetic or lifestyle.