I used to believe that those "smelly markers" were made from flavoured juice, and sucked on quite a few of the tips only to realize that they didn't taste anything like they smelled!
A childhood belief about around the house

others believed things like this
- I used to believe that vanilla flavoring would taste as great as it smelled!!
Judy— judy - Every old person I met smelled bad, and I thought old people smelled bad because they were slowly rotting.— Jasmine
- I thought that grape juice was called "great juice". Anon
- I used to believe that you got 'Mintolia Disease' if you ate too much mint flavoured Ice Cream. — Leighton
- Washable markers could actually be washed off of paperAnon
- I once told a friend of mine that if you held in a smelly burp, it'd turn into a fart. She believed me.Anon