Women want love! Men want sex! What does it mean??

kriskiss
For years and years I have heard the old expression that women want love and men want sex or that men fall in love through sex and women have sex because they are in love. Is that true or what is the deal.

Of course women like sex just as men do , if not more, so I do not understand the expression that much can anyone clarify this for me. And guys want love too just not sex(though they will take it)I guess too I am a bit perplexed why women are so much more cautious to have sex with a guy they find attractive --assuming he wears protection and all-I do not get the big deal. Women seem so so so much more cautious than men when it comes to sleeping with someone new.

Please offer insights on the women want love, men want sex stuff...thanks.
Women want love! Men want sex! What does it mean??
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