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.

GENERAL EQUATIONS & STATISTICS

A woman worries about the future until she gets a husband.

A man never worries about the future until he gets a wife.

A successful man is one who makes more money than his wife can spend.

A successful woman is one who can find such a man.