I used to believe all cats were female and all dogs were male... this was also true for other animals.. such as all ostriches were female and all hippopotamus were male.
A childhood belief about general

others believed things like this
- I used to believe all cats were female and all dogs were male.— Sabby
- I used to think that all cats were female and all dogs were male. — Annalisa
- i used to believe that all cats were female and dogs were male!Anon
- I used to believe that cats were all female and dogs were all male.— Rachel
- i used to believe that all cats were female and all dogs were male— am i weird?
- I believed that all cats were female and all dogs were male. — Biologically confused