I used to think that penetration in sex was optional. Like a move that you COULD do, but didn't have to.
A childhood belief about sex

others believed things like this
- I Used To Believe That You Can Marry Your Sister Or Cousin As Optional!— KellGirl
- I used to believe that I was the only one who could see the clouds move.— christie
- i used to believe that when we got into the car, the world would move and we stayed still— zacula
- I used to believe that I was the only one who could see the clouds move because God was trying to talk to me.Anon
- When you lie your lips move or your eye turn green— Tanya
- i used to believe that if your seatbelt was un-done the car wouldn't move or work at allAnon