Human Mathematics

ROMANCE MATHEMATICS

Smart man + smart woman = romance
Smart man + dumb woman = affair
Dumb man + smart woman = marriage
Dumb man + dumb woman = pregnancy
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OFFICE ARITHMETIC

Smart boss + smart employee = profit
Smart boss + dumb employee = production
Dumb boss + smart employee = promotion
Dumb boss + dumb employee = overtime
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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.
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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.