Have you any idea? I’ve pondered this concern for quite a while|time that is long. I have show up theories.
Theory A ( in cases where a Jesus doesn’t exist): I think men already knew that they had doing something with regards to penis (natural behavior). Nevertheless they will never necessary understand just what to do with it, or what to “stick” it. Females might have no concept . sometimes grab a male’s penis, but might have no idea what to hence do next would stay here puzzled. Therefore returning to a man, by error and trial, dudes would begin sticking their penis in holes, e.g. tennis holes, potholes, holes in woods, gap into the wall surface etc.
Then it might unexpectedly dawn in something with a pulse (in order to obtain enjoyment) on them that they had to stick it. Fortunately human being females seemed well-known people to use while they will be more ready and a lot of appealing to a man (people who stupidly attempted with animals, e.g. . . .