The DSM5 finally depathologizes consensual BDSM and other kinky pursuits.
https://ncsfreedom.org/press/blog/item/the-dsm-5-says-kink-is-ok.html
http://www.dsm5.org/Documents/Paraphilic%20Disorders%20Fact%20Sheet.pdf
Finally, common sense prevails regarding BDSM