When we were younger, my brother, me, and some school-friends used to believe that tea is made from leaves on hedges - especially privet hedge leaves, because they look like the leaves on the PG Tips box. We used to pluck leaves from the hedges at school and get told off for it.
A childhood belief about drinks

others believed things like this
- when I was very young, I used to beleive that the leaves rustling in the trees made the wind blow— Ellona
- I used to think that leaves fell from the sky.— Chrono
- All flowers had exactly five petals and two leaves.— MD Caruso
- I believed that leaves on trees only became individual when you you close to them, and then I got glasses.— nola
- Trees grew leaves as camouflage so birds would`nd nest in them. Don`t ask.— DaWind
- When I was about seven, I was utterly convinced that chickens had leaves and trees had feathers.— Confused