<span style="text-decoration: underline"><span style="font-weight: bold">ROMANCE MATHEMATICS</span></span>
Smart man + smart woman = romance
Smart man + dumb woman = affair
Dumb man + smart woman = marriage
Dumb man + dumb woman = pregnancy
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<span style="font-weight: bold">OFFICE ARITHMETIC</span>
Smart boss + smart employee = profit
Smart boss + dumb employee = production
Dumb boss + smart employee = promotion
Dumb boss + dumb employee = overtime
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<span style="font-weight: bold">SHOPPING MATH</span>
A man will pay $20 for a $10 item he needs.
A woman will pay $10 for a $20 item that she doesn 're next." They stopped after I started doing the same thing to them at funerals.
http://www.citehr.com/11580-smart-women-not-so-smart-men.html