As a child/teen living with my parents we were actively discouraged from showering/bathing everyday. It was really frowned upon and seen as unnecessary and probably a bit extravagant. I know probably as a young child I didn’t need to but as I got older and even after I turned 18 and was still living at home they would have been a bit annoyed about it if I wanted to shower everyday . I should say where we live has no water charges so it wasn’t about that. Now as an adult and a mother myself it seems so strange. I realise it’s probably because my parents both came from large families that had very little money and, back then, no hot running water. Even know my parents bath weekly but sink wash every day.