MarketsBenchmarkYour Sex Drive Is Making the Income Gap WorseAmericans are increasingly marrying others who share their educational backgroundFacebookXLinkedInEmailLinkGiftExpandPhotographer: Astronaut Images/Getty Images/CaiaimageFacebookXLinkedInEmailLinkGiftGift this articleContact us:Provide news feedback or report an errorConfidential tip?Send a tip to our reportersSite feedback:Take our SurveyNew WindowFacebookXLinkedInEmailLinkGiftBy Aki Ito and Victoria StilwellApril 7, 2016 at 12:00 PM UTCBookmarkSaveLock This article is for subscribers only.Subscribe to the Bloomberg Benchmark podcast (iTunes)Subscribe to the Bloomberg Benchmark podcast on (Pocketcasts)