I used to believe you had to marry your siblings when you grew up.
A childhood belief about marriage

others believed things like this
- I used to believe that I could marry my dad and i would always talk about marrying him when I grew upAnon
- I used to think I was going to marry my mom, even though my dad was already married to her.— nick
- My siblings told me that if I ate too much cheese, I'd turn into a cow. I believed them.— Sophie
- I used to believe that if you kissed someone you HAD to marry them. Even in the movies.Anon
- When my dad was little his older siblings convinced him that there were flocks of flying turtles.— Anonymous
- When I was at primary school I used to believe you could only marry someone who was the same height as you!— Lucy