女人 is very very flexible on 性,

The world record was 10 hour of intercourse
without stopping, many many girls make living out
of sexual activities.

上海女 are smart enough to know that 男 needs SEX.
but during 70-80s it was not abnormal that 3 generations
were under one roof and a small room.
As such, it was highly required that 女 MUST be very very caring and corparative, otherwise, IMPOSSIBLE.
Thus, 男 MUST do all house works