<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://rbk.h-cdn.co/assets/cm/14/51/980x1279/548bfbdf6d27b_-_rbk-sex-slump-drop-everything-s2.jpg>
<http://www.redbookmag.com/love-sex/sex/g1907/sex-slump/>