She had never seen a bottle like that, I knew. I unscrewed the plastic cap and took a light sip of the water, then handed the bottle to her. She drank...it down, her eyes watching me. I smiled reassuringly at her.When she was done, I asked her, "Is it okay if I look at the scratches on your back?"She nodded. I moved behind her and raised the back of her shirt up. The scratches were scabbed over, but I didn't think I saw any sign of infection or anything. I wasn't a doctor, so I just had to judge. The day had come and we flew out and got to our resort around 2 pm. It was a beautiful place, five gold stars absolutely stunning! Our room wasn't ready yet so we all just changed into our bathing suits and headed down to the beach which was amazing, crystal clear water and a white sandy beach.I oiled my body up and lay face down to start my tanning as my family went off and got some drinks for themselves. I was so excited to get this week started because I always loved being away in tropical. I told them both what I wanted to do and they were fine with it so Gavin lay on his back on the bed as Cathy climbed on top of him and impaled herself on his massive erection, I got myself into position spat on her anus and eased my cock into her arse hole, it was better than I could have ever imagined every time Gavin thrust into my wife I could feel his cock push along the length of mine through the wall of flesh that separated her ass and pussy, it was only a few minutes till I started to. Soon enough it was just Paula and I, Renee and her boyfriend Mark. Renee was about 5'2" and maybe 100 lbs soaking wet. She had perfect tits for her body size and and ass that wouldn't quit. Paula was a couple of inches taller and about 40 lbs heavier, but most of the weight was well put. She was curvy and very well endowed. We cleaned up a bit and at around midnight we went inside and started to watch TV. It was a boring show, but Mark and Renee started to make out. Paula told them to "get a.