太有理了！

太有理了！

購物數學

A man will pay $20 for a $10 item he needs.
 一個男人會出20元，買一個他所需要，但只值10元的東西。
A woman will pay $10 for a $20 item that she doesn't need.
 一個女人會出10元，買一個她不需要，但值20元的東西。
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General Equations & Statistics
 公式和統計數學

A woman worries about the future until she gets a husband.
 一個女人結婚後，就不再為未來擔憂。
A man never worries about the future until he gets a wife.
 一個男人直到結婚後，才會擔心未來。
A successful man is one who Makes more money than his wife can spend.
 一個男人所賺的錢，足夠支付她老婆的開銷，就是個成功的男人。
A successful woman is one who can find such a man.
 可以找到一個成功的男人，就是個成功的女人。
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Happiness
 幸福數學

To be happy with a man, you must understand him a lot and love him a little.
 要和一個男人 幸福 的生活，你必須非常了解他，而不必太愛他。
To be happy with a woman, you must love her a lot and not try to
understand her at all.
 要和一個女人 幸福 的生活，你必須非常愛她，而不必嘗試去理解她。
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Longevity
 壽命數學

Married men live longer than single men do, but married men are a
lot more willing to die.
 已婚的男人一般比未婚的長命，但大部分的已婚男人卻寧願去死。
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Propensity Change
 個性數學

A woman marries a man expecting he will change, but he doesn't.
 女人希望男人婚後會有所改變，可是他並不會。
A man marries a woman expecting that she won't change, and she does.
 男人希望女人婚後不會改變，可是她一定會。
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Discussion Technique
 辯論技巧

A woman has the last word in any argument.
 在爭吵時，女人總是爭到最後一字一句。
Anything a man says after that is the beginning of a new argument。
 在那之後，男人所說的任何句話，又會引起新的爭端。
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Romance mathematics
 戀愛數學

Smart Man + Smart Woman = Romance
 聰明的男人 + 聰明的女人 = 戀愛
Smart Man + Dumb Woman = Affair
 聰明的男人 + 愚蠢的女人 = 姦情
Dumb Man + Smart Woman = Marriage
 愚蠢的男人 + 聰明的女人 = 婚姻
Dumb Man + Dumb Woman = Pregnancy
 愚蠢的男人 + 愚蠢的女人 = 懷孕
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Office Arithmetic
 辦公室數學

Smart Boss + Smart Employee = Profit
 聰明的老闆 + 聰明的夥計 = 利潤
Smart Boss + Dumb Employee = Production
 聰明的老闆 + 愚蠢的夥計= 產量
Dumb Boss + Smart Employee = Promotion
 愚蠢的老闆 + 聰明的夥計 = 升遷
Dumb Boss + Dumb Employee = Overtime
 愚蠢的老闆 + 愚蠢的夥計 = 超時工作