<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://rbk.h-cdn.co/assets/cm/14/51/980x1307/548f7efe08129_-_rbk-10-happy-marriage-has-in-common-9-s2.jpg>
<http://www.redbookmag.com/love-sex/relationships/advice/g2353/good-marriages-have-in-common/>