We're thinking Michael Hutchence repeat performance on another forum.
That's why you should have a whore or fuck buddy or something when you have bizarre sex experiments like that -- "hey, if I appear to lose consciousness, cut me down immediately and make sure I start breathing, okay?" I know, it takes away from the spontaneity and thrill of it all, but hey, you get to live to do it again another day, so...that's good, right?