Without feeling abashed by my ignorance, I confess that I am absolutely unable to say. In the absence of an appearance of learning, my answer has at least one merit, that of perfect sincerity.
I'll do anything for $50. People are always trying to get me to do dumb things. The possibilities are endless.
Why the hell can't people just write nice happy stories about people having happy sex? That's what I want, and I bet a whole bunch of other people want it too.