There are three additional reasons for the correct naming of body parts.
I never dated anyone seriously in high school.
I'm over 30 years old, and I still haven't had sex.
It is, after all, a normal behavior.
Children often attach a sense of naughtiness to using this language, instead of viewing it as everyday, acceptable vocabulary.
Pre-teens and teens should understand that sexual orientation is not a choice, and that the only difference between heterosexuals, bisexuals, and homosexuals is the gender of the persons to whom they are attracted.
He freaked out and stopped talking to me.
Having sex with her.
Many women are not nearly as aggressive or prepared.
More men really need to understand that concept.
The right words won't count for much if your body language shows disgust or discomfort.