I used to believe that the reason why you put your hand over your heart during the flag salute is to see if it's beating.
A childhood belief about general

others believed things like this
- I still believe that if I really concentrate, I can stop my heart from beating.— Patrick
- When I was five or six, I was worried that I'd lost my heart because I didn't hear it beating.Anon
- I used to believe that you shouldn't swallow gum because it would stick to you heart and make it stop beating.Anon
- The song called heart of glass mixed me up as a kid. I heard "Heart and ass". — oops
- I used to think that when people had heart attacks someone came and stabbed their heartAnon
- I used to think that if you eat pig heart, you could grow another heart and be twice as healthier. Anon