Why are some people monogamous while others are promiscuous?

Broadcast in Romance
Fri, Jul 12, 2013 02:00AM UTC

Alan Roger Currie

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Christopher Ryan PhD Sex at Dawn

World Renowned Psychologist and Book Author Christopher Ryan, Ph.D., joins "Upfront & Straightforward" Host Alan Roger Currie to discuss his research about the prehistoric origins of modern human sexuality as well as his book, Sex at Dawn: How we Mate, Why we Stray, and What it Means for Modern Relationships

Christopher Ryan, Ph.D.'s main page

Sex at Dawn on Amazon.com

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