Older women are psychic. You never have to confess to having an affair, because somehow they always know. Older women often own an interesting collection of lingerie that they have acquired from admirers over the years. Young women often don't wear underpants at all, thus practically eliminating all possibility of a striptease. Older women know what Kegel exercises are.
Older women are dignified.
They are beyond having a screaming match with you in the middle of the night in a public park. Older women are experienced. They understand that sometimes, after 12 beers, a guy just can't get it up. A younger woman may need some time to grasp this fact. An older woman will introduce you to all of her girlfriends.