Man discovered colors and invented paints.
Woman got inspired from paints and invented makeup.

Man discovered word and invented conversation.
Woman got inspired from conversations and invented gossips.

Man discovered agriculture and invented food,
Woman got inspired from food and invented diet.

Man discovered friendship and invented love
Woman got inspired from love and invented love triangles.

Man discovered trading and invented money.
Woman got money and started shopping.

That's it! That's all.

Ever since then, man has explored, discovered and invented an awful lot of things while women are still shopping.