I used to think everyone in the world had an imaginary friend that nobody else could see, because when ever I was in the car and saw people driving past talking (probably singing a song or something), they'd be talking to their imaginary friend!
A childhood belief about imaginary friends

others believed things like this
- My little sister's imaginary friend was Kit the talking car from that show Knight Rider.Anon
- I used to have an imaginary friend named Mr. Nobody. He would protect me from my imaginary enemy, Bad Elmer.— Kdees
- my aunt used to have an imaginary friend who instead of having blood had 7-up in her veins.Anon
- When I was about 6 or 7, I had an imaginary friend, who left for ice-cream one night. He never returned.— His name was Jimmy
- I used to believe in my imaginary friend dooodle.
Doodle was a stickperson and was always smiling.— Samantha - I thought my imaginary friend was real and he imagined me
I hope he still believes I existAnon