Why men might underestimate women's sex drive

By Jacqueline Howard, CNN

Updated 1307 GMT (2107 HKT) July 1, 2016

"Fifty Shades of Grey" came out around Valentine's Day in 2015, a perfect time for a film whose sex scenes had some blushing red. It isn't the first movie with risque scenes that had moviegoers titillated.
Photos: Hollywood's steamiest sex scenes
'Fifty Shades of Grey' (2015) – "Fifty Shades of Grey" came out around Valentine's Day in 2015, a perfect time for a film whose sex scenes had some blushing red. It isn't the first movie with risque scenes that had moviegoers titillated.
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Graphic sex scenes between Marlon Brando and Maria Schneider in "Last Tango in Paris" shocked the world at the time and initially earned the film <a href="http://mentalfloss.com/article/28925/what-happened-x-rating" target="_blank">an X rating as well as two Academy Award nominations. </a>
Photos: Hollywood's steamiest sex scenes
'Last Tango in Paris' (1972) – Graphic sex scenes between Marlon Brando and Maria Schneider in "Last Tango in Paris" shocked the world at the time and initially earned the film an X rating as well as two Academy Award nominations.
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