I thought that heart attacks were actually "hard attacks".
A childhood belief about general

others believed things like this
- I used to think that when people had heart attacks someone came and stabbed their heartAnon
- The song called heart of glass mixed me up as a kid. I heard "Heart and ass". — oops
- I used to think that if you eat pig heart, you could grow another heart and be twice as healthier. Anon
- I thought you always die if you A. get cancer or B. have a heart attack— Nate
- I thought the song "Party Time" by Moby was actually saying "heart attack" (this was before I knew the title)— Elviessa
- At about age 7 I thought one could see the people running around on a map, if one looked hard enough.— Adam Smith