What are these children of Adam?

ROMANCE MATHEMATICS

Smart man + smart woman = romance
Smart man + dumb woman = affair
Dumb man + smart woman = marriage
Dumb man + dumb woman = Children

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.

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.

POSTULATES

To be happy with a man, you must understand him a lot and
love him a little.

To be happy with a woman, you must love her a lot and try
not to understand her at all.

Married men live longer than single men, but married men
are a lot more willing to die.

Any married man should forget his mistakes, there's no
use in two people remembering the same thing.

Men wake up as good-looking as they went to bed. 

Women somehow deteriorate during the night.

A woman marries a man expecting he will change, but he
doesn't.

A man marries a woman expecting that she won't change,
and she does.

A woman has the last word in any argument.

Anything a man says after that is the beginning of a new
argument.

There are 2 times when a man doesn't understand a woman -
before marriage and after marriage.