I jerked my hips side to side, slapping her with my hard cock and dragging it across her face. ‘Don’t tease me, Robert!’ she whined as I slapped...her with my cock once again. ‘Oh so you want some cock do you, slut? You want me to shove this big fat cock down your pretty throat?’ I said testing the waters a bit. I wasn’t sure if she liked dirty talk but I thought I’d give it a shot. Turns out I was right – she loved it! ‘Oh yes! Give me that big hard cock! Please!’ she cried. She opened her mouth. "Let's try him out", suggested Tracey as they walked behind him.When the porter had put their bags on the shelf, Tracey offered him a tip. "No thank you", he said. "We're not allowed to accept gratuities. On the other hand," he smiled, "if you want sex I am fully at your disposal." Well, of course!" giggled Tracey. "But what about Sharon?" Oh, I can manage the two of you, but you can always call room-service if you think you need more."This was the girls' introduction to free sex on demand in. All of our stuff had been hauled inside the cave by now, so there was nothing that could be harmed by the rain.I was too impatient to sit still, so I wanted to explore the part of the cave leading off from the kitchen. Eve and I put on our spelunking kit and started out. I had rigged up a string of lights, sort of like Christmas tree lights, from our LEDs so that we could have light as we explored and a guide to bring us safely home.We walked out 500 meters before we ran out of wire. There was. He said that Pam told him that a few weeks ago while Christine was buying a car stereo she flirted with the well-built black sales guy in his twenties to get his employee discount. Christine agreed to go on a date with him that night and they have gone out on a few dates since. Christine had told Pam they have had sex! I was speechless! My friend told me this wasn’t the first guy she cheated on me with, but the other times were one-time fucks. He told me since this was continuing I deserved to.