<https://menshealthfirst.com/2014/03/11/sex-etiquette-good-manners-for-excitable-boys/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://menshealthfirst.com/2014/03/11/sex-etiquette-good-manners-for-excitable-boys/>