<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/54eb5e63d4d17_-_the-truth-about-sex-addiction-mdn.jpg>
<http://www.womansday.com/relationships/sex-tips/advice/a4728/the-truth-about-sex-addiction-103156/>