https://www.psychologytoday.com/us/blog/unique-everybody-else/201307/bdsm-personality-and-mental-health
http://everybodyhasabrain.com/does-the-apa-think-youre-abnormal-between-the-sheets/
http://washington.cbslocal.com/2013/03/14/apa-happy-people-who-have-sexual-fetishes-no-longer-have-mental-disorder/
https://www.huffingtonpost.com/entry/bdsm-and-mental-health_b_9227222
https://onlinelibrary.wiley.com/journal/17436109
https://www.msdmanuals.com/professional/psychiatric-disorders/sexuality,-gender-dysphoria,-and-paraphilias/overview-of-paraphilic-disorders
https://www.newyorker.com/culture/photo-booth/my-time-photographing-inside-an-s-and-m-club?mbid=social_facebook
http://www.iflscience.com/editors-blog/sociologists-reclassify-bdsm-as-leisure-activity-in-bid-to-remove-stigma/
https://www.psychologytoday.com/us/blog/hide-and-seek/201408/the-psychology-sadomasochism
https://www.psychologytoday.com/us/blog/all-about-sex/201206/loving-introduction-bdsm
http://www.foxnews.com/health/2016/03/18/lots-people-like-kinky-sex-psychologists-call-abnormal.html
https://www.facebook.com/ODDJOBSshow/videos/281897009000461/?hc_location=ufi
The kink market is expanding and I have an intimate understanding of that market.