How old r u ?

A conversation between man & women
.
Man:" How old are u ??
.
Woman:" A woman never tellsher age
.
Man:" Just tell me your age
.
Woman:" Since I was 18 i never
told anyone my age..
Man:" But I will make sure I will
know your age ??
.
Woman:" How can u do that while for the last 10 years nobody ever made me say my
age ??
.
Man:"Hahahahahahaha