Life's algorithm

I received a fun letter from a friend last week through email. The email has been circulating in US for last 3-4 years. This was 3rd time for me to receive the same thing, and it makes me laugh and reflect again. In case you missed it before, here it is :

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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 = working from home

>Dumb boss + dumb employee = overtime
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> SHOPPING MATH
> A man will pay $2 for a $1 item he needs.
> A woman will pay $1 for a $2 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.