I love the description that Terry Pratchett gives to members of the Seamstress Guild: "Ladies of negociable virtue". Clearly domination services are not prostitution, especially if the services are like this:
I've always liked comics, right from an early age. Captioned images is the adult equivalent. I find that creating these captions on images I find interesting, helps me relax. Yes, it's escapism. It seems that only a lucky few live the fantasy. I think we all want to escape to a better place, and we all have our ways of getting there.