Throughout the ages mankind has always been ready to make up for any lack of knowledge with a combination of intuition, deduction, observation and outright invention that is usually called myth. Myths are stories that are based to a certain degree on what men understood from the facts before them. Their purpose is to fill a gap either in knowledge or in morals.
A good example of a widespread myth that has no real basis and is meant to enforce a certain type of behavior is the old saying that masturbation makes men go blind. In fact a Swiss physician Samuel-Auguste Tissot said in 1760 that his studies proved that masturbation causes a perceptible reduction of strength, of memory and even of reason, blurred vision, all the nervous disorders, weakening of the sex organs disturbance of the appetite, headaches and a great number of other disorders. It goes without saying that most men living today know better than to believe that.
But grown men themselves are not spared the fear that myths are supposed to put into their souls. Another widespread myth claims that lack of sex over a longer period of time would certainly cause the penis or testicles to shrink. However,...