Most of us acquire knowledge regarding sex and sexuality, through various formal and informal avenues. Much of the information acquired through infornal sources is unlikely to be accurate or correct. Sex being a topic, which is not openly discussed is shrouded in secrecy.
While talking about law and homosexuality, I am reminded of a story of a washerman and his donkey. The donkey refused to move with the heavy bundle of clothes on his back from his house to the pond. The washerman nailed a carrot to a stick, which was tied in front of the animal's mouth.