Men and Women ROMANCE MATHEMATICS Smart man+smart woman=romance Smart man+dumb woman=affair Dumb man+smart woman=marriage Dumb man + dumb woman = pregnancy OFFICE ARITHMETIC Smart boss+smart employee=profit Smart boss+dumb employee=production Dumb boss+smart employee=promotion Dumb boss+dumb employee=overtime SHOPPING MATH A man will pay $20 for a $10 item he needs A woman will pay $10 for a $20 item that she doesn't need 明日續;;)