When I was about 9 I looked at my mom's drivers liscence and and saw where it said 'Sex:F' (meaning that she's a female). So, genuinely concerned I asked her, "Mommy, if you failed sex how did you have me and my brother?"
A childhood belief about reproduction

others believed things like this
- I told my son that he used to be in my tummy when he was 4. So he asked me," Mommy why did you swollow me?"
— Christopher's mom - I used to think that to desex an animal meant to turn it from a male to a female or female to male.— Phil
- I used to think you could have a heart attack if you failed to fall in love.Anon
- i thought it was a law that bus drivers had to wave to each other when they passed— ande
- I used to think that drivers accelerated by turning the steering wheel.Anon
- I used to think that semi truck drivers could pull you over and give you a speeding ticket.— Wolff