@hanhaiwen generously remembered the most popular SocImages post of all time when coming across this insightful observation at 9Gag.  Thanks Helga!

Lisa Wade, PhD is an Associate Professor at Tulane University. She is the author of American Hookup, a book about college sexual culture; a textbook about gender; and a forthcoming introductory text: Terrible Magnificent Sociology. You can follow her on Twitter and Instagram.