when i was litttle i used to believe that married people were brothers and sisters cuz brothers and sisters have the same last name too.
A childhood belief about marriage

others believed things like this
- I used to believe that my sisters "make believe dog" was real— me
- My sisters once told me if I blinked too much I would get cancer.
How mean... D:— Budster - when I was a kid, I used to believe that only girls could be my friends and all other boys were my brothers.
— rajat - My brothers to piss me off sometimes told me I was adopted, and that I was the housekeeper's kid.— ricolarno
- My brothers friend still thinks he will be a kangaroo when he grows up and he's 9!!!!!— Jane Rom
- i used to think the sun was a giant fireball like the ones from the mario brothers throw except a big one.— chris