<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/768x516/54ff5201941e2-03-marriage-in-30s-couple-bed-sauxoc-xl.jpg>
<http://www.goodhousekeeping.com/life/relationships/advice/g1128/how-marriage-evolves/>