y sexual growth includes erotic arousal and orgasm and pre-adolescent sex play; for pre- and early adolescent boys, erection and orgasm are easily induced. Homosexual play was found to be more frequent than pre-adolescent heterosexual play and the average age for beginning pre-adolescent heterosexual play was around eight years and ten months of age; early stages included genitalia exhibition. Animal contacts were mostly confined to farm boys. Orgasm has been noted in boys of every age starting from five months, however pre-adolescent boys do not tend to find themselves in circumstances which test their capacities and records are uncertain. The adolescent (adult body) begins to produce an ejaculate.
Six sources of orgasm noted for the human male include masturbation, nocturnal emissions, heterosexual petting, heterosexual inter
...