It was a normal summertime weekend at my friend's house.  The food kept coming and drinks were flowing.  As it got later in the day, my wife was the only woman remaining.  At this point, we were all buzzing pretty good.  As we were all sitting around the pool together, somehow the topic of threesomes and gangbangs came up.  My wife mentioned how she was never involved in one but had always been interested.  I’ve always be...