From birth to age 18 a girl needs good parents. From 18 to 35 she needs good looks. From 35 to 55 she needs a good personality. From 55 on, she needs good cash.
In Michael Freedland Sophie (1978) p. 214

From birth to age 18 a girl needs good parents. From 18 to 35 she needs good looks. From 35 to 55 she needs a good personality. From 55 on, she needs good cash.