I think number 1
I didnt know about sex until I was I think 14.
Wow thats sheltered.
I went to a seedy barbershop when I was like 10 and saw a playboy sitting on the table, and then the barber just explained sex to me in a really creepy way and told me that I should always be an ass man cuz boobs don't mean shit.
I live by his teachings.
In hindsight it was a pretty fucked up scenario.