I used to believe (& generally still do) that people I met for the first time were the same age as me, regardless of whether they blatantly looked older or younger
A childhood belief about getting older

others believed things like this
- I generally believed in happy endings!— Claire
- I used to believe that one day, my younger brother would be older than me and then he'd pick on me!— Andrew
- When i was younger up untill i was like 8 or 9 i thought that famous people didnt poop only normal people!!!— kaitlin
- At about age 7 I thought one could see the people running around on a map, if one looked hard enough.— Adam Smith
- I used to believe that which ever way you looked it was north, never understood how people got lost :-S— Simon
- That people older than me knew what they were talking about.— Mark