I used to believe that mayonaise was for women and mustard was for men. That's how everyone in my family preferred their sandwiches to be made. I was afraid to try mustard for fear of getting in trouble for crossing over!
A childhood belief about general

others believed things like this
- My mom used to tell me if I ate mustard I would grow mustard.Anon
- My friend believed that eating bread crusts or eating mustard will give you curly hair.— Linda from Southern California
- the beatles song 'mean mr mustard' says "shes a real go-getter", i was sure it was "shes a real coconut"...— sally
- I believed until I was 18 that if I got tuna in the mayonaise jar, I would die the next time I ate it. — Sue
- I thought the lyrics to "Don't fear the reaper" were "Don't fear the reefer"— who new?
- When I was a kid, I used to believe that the "ped x-ing" signs meant "pediatrician crossing."— Jessica