Human nature is such that monogamy is a really hard thing to achieve. — Sienna Miller Copy Share Image
Why would so many risk their reputations, families, careers—even presidential legacies—for something that runs against human nature? Were monogamy an ancient, evolved… — Christopher Ryan Copy Share Image
“No group-living nonhuman primate is monogamous, and adultery has been documented in every human culture studied- including those in which fornicators are… — Christopher Ryan Copy Share Image
