Man discovered weapons, invented hunting.
Woman discovered hunting, invented furs.
Man discovered colors, invented painting.
Woman discovered painting, invented make-up.
Man discovered speech, invented conversation.
Woman discovered conversation, invented gossip.
Man discovered agriculture, invented food.
Woman discovered food, invented diet.
Man discovered friendship, invented love.
Woman discovered love, invented marriage.
Man discovered woman, invented sex.
Woman discovered sex, invented headache.
Man discovered trade, invented money.
Woman discovered money, and it was a complete mess after that.