So God asked Adam,
"What is wrong with you?" Adam said he didn't have anyone to talk to.
God said that He was going to make Adam a companion and that it would be a woman. God said,
 "This person will gather food for you and when you discover clothing she's going to wash it for you. She will always agree with every decision you make. She will bear your children and never ask you to get up in the middle of the night to take care of them. She will not nag you and will always be the first to admit she was wrong when you've had a disagreement. She will never have a headache and will freely give you love and passion whenever you need it."
Adam asked God,
"What will a woman like that cost?"
God replied,
"An arm and a leg."
Adam then asked,
"What can you get for a rib?"
And the rest is history.