We must think that female's good life world-wide-level.
Nowadays many many females work so hard every day.
Many women those who never get marry increase year by year.
Almost those women spend happy daily life.
But now we must think one thing seriously.
Men can't give birth to child.
It's very important thing for the world to the future.
Lack of workers is a big problem.
female works are so precious in this world.
But if they don't give birth to child, our future will be so dark.
Who improve the situation?