i once believed that the button on mcdonalds soft drink lids, when pressed, added a chemical to the drink that made it a diet...
A childhood belief about drinks

others believed things like this
- I used to think that if you mixed a diet drink with a regular drink, it would explode. Anon
- I believed Dr. Pepper was pepper-flavored medicine and was afraid to drink it.Anon
- That you had to be a male to drink beer.— andrei gaspar
- I used to believe that you needed a prescription to drink Dr. Pepper.Anon
- I used to think it was illegal to drink hot chocolate in the summer. — Samantha
- I used to think it was illegal for children to drink coffee— C.W.