I used to think the word "rouse" meant a single grain of rice. Since "mice" is the plural of "mouse", and "lice" is the plural of "louse", it seemed to make sense that "rice" would be the plural of "rouse".
A childhood belief about speaking

others believed things like this
- i used to think that the word 'clothes' was the plural for 'clo.' so i'd call a sock or a shirt a clo. — jessimocha
- my brother told me rice crispies were really fish eggs we gave to the goldfish. I never ate rice crispies.— johnboy
- My Nan used to say that if you ate rice pudding every day you would live till 100.— Jayne
- Someone told my that rice was really spider eggs. I still don't look at it the same. Anon
- I used to believe that if you ate rice and water and jumped up and down you would explode. Thanks Dad.— Nina
- I used to believe the Metallica song "Trapped Under Ice" said "I turned down the rice."— Erik Z.