When i was 10 years old i used to belive that my older brother and sister were twins. Because they were in the same grade but only to find out later my sister was left back in the 8th grade!
A childhood belief about family

others believed things like this
- I used to belive that my mum and dad lived together cause they were brother and sister— Corin
- i used to think that every family had a brother and sister and they married eachother when they got olderAnon
- My oldest sister is 15 years my senior. I used to think that she was older than my mom.— Callie
- A[n] nth grade teacher only had to finish the nth grade when he or she was in school.— MD Caruso
- When I was a child, I used to think that one day my brother and I would be in the same grade at school.— Alexis Yahir López
- a friend of my little sister's had 4 older brothers, so she thought that when you got older you grew a penis!Anon