I once read on a website that eye floaters are caused by too much masturbation... Sound similar to the "you'll get hairy palms" stuff.

The idea was that it depletes neurotransmitters.
There is also the idea that sperm contains a lot of zinc. Zinc is usually associated to men, while copper is associated to women. I don't know why e

On a short-term basis, from a survival point of view, sex is unnecessary and requires a lot of ressources.

It is very common among athletes (particularly boxers) to not have sex before a competition.

I once read on a website that eye floaters are caused by too much masturbation... Sound similar to the "you'll get hairy palms" stuff.

The idea was that it depletes neurotransmitters.
There is also the idea that sperm contains a lot of zinc. Zinc is usually associated to men, while copper is associated to women. I don't know how it works exactly, but zinc is known to be related to testosterone and copper to estrogen...

Spermatozoid are "living", and contain enzymes so they can cross the egg membrane and fecond it.

Maybe an avoidance of sex and the use of digestive enzymes can seriously spare our protein stores, so they can be used for more important functions such as in the immune system and for detoxification.

On a short-term basis, from a survival point of view, sex is unnecessary and requires a lot of ressources.

It is very common among athletes (particularly boxers) to not have sex before a competition. If I remember correctly, it is linked to increased energy and aggressivity (increase testosterone?)

Maybe you're onto something!