Please don't tell me your history books were sanitized to leave that stuff out? Did they say “Family Friendly History for all ages “ on the covers? If so you might want to check the references to see if they are real.
Yes, I know this was a historical drama.
Everyone knew what the beds in the bedroom, on I Love Lucy were for, we did not need a visual demonstration of how they made Little Ricky.
I am pretty sure there were no BJ's handed out in any classroom I ever attended, but since Bill Clinton, it happens on a regular basis. Truth is good, unbridled sex orgies not so good.