A young woman will say nothing, just in case it means you might break up with her. An older woman will never get pregnant and then suddenly demand that the two of you get married. In fact, if you impregnate an older woman, you will probably be the last to know. Older women have jobs with dental plans. Younger women can't help you when your teeth get knocked out playing hockey.
Older women take charge of the situation.
An older woman will call you up and ask you for a date. A younger woman will wait forever, by the phone, for you to call. Older women know how to cook. Young women know how to dial Pizza Hut Take out. An older woman will introduce you to all of her girlfriends.