- Men with low sperm counts can significantly reduce sperm quality by holding back for longer than a day or two.
- In men with low sperm counts, the researchers found the volume of semen increased after prolonged abstinence, but the quality got gradually worse the longer the men held back.
- "What you really want to do is flush the system out so that the sperm that are there are fresh."
From which I conclude: Men who masturbate daily will be more fertile than men who do not have any type of daily release. Your male ancestors were likely chronic masturbators.