When i was little, i used to wonder what happened to 'upstairs' when no-one was around to see it...I thought things were only there if someone was looking at them. Therefore, when you walk down the stairs, upstairs vanishes until the next time somene walks up there...
A childhood belief about around the house

others believed things like this
- I used to believe that if you were naughty at school then you'd have to go upstairs and sit on your bed!— Eve
- Whenever I was upstairs on a bus, I didn't believe that it would fit under the bridge so I used to duck. — Dave, Lancashire
- That there was a zombie living behind the bathtub in the upstairs bathroom.Anon
- I used to think the song "Walk this way" by Arosmith went horse and sleigh insted of singing walk this way.— Derek
- I used to believe you could walk on clouds. And you would be able to walk in space on the edge of the world.— Alex
- I always thought you could break through the tv screen and walk into whatever was on the screen at the time.— Linda