I am a girl with an older brother. when I was younger and arguing I would threaten him by saying "When I'm a boy and I'm older thatn you..."
A childhood belief about getting older

others believed things like this
- I used to believe that one day, my younger brother would be older than me and then he'd pick on me!— Andrew
- My brother that is 6 years younger than me used to believe that in seven years he would be older than me.Anon
- i used to believe that when teenagers dated, the guy had to be older than the girl.— claire
- a friend of my little sister's had 4 older brothers, so she thought that when you got older you grew a penis!Anon
- when i was really young, i couldn't figure out why i can't get older than my older sister.— angela
- I thought that Dad's were always older then Mom's, come to find out my mom is a few months older than my dad.— Nicole