<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://cos.h-cdn.co/assets/cm/14/25/539fcc4c3d057_-_cos-03-dont-spend-too-much-time-together_mdn.jpg>
<http://www.cosmopolitan.com/sex-love/how-to/g2657/how-to-improve-your-relationship/>