The first sign of pleasure he let out a little groan. So I decided to go after his balls some more. He really started to moan a little more. His dick ...as fully erect and had a nice pink head and some veins running up and down the shaft with decent girth. His balls looked as big as golf balls with little hair. I then decided to deep throat him and see how he responded. When I got all the way down to his pubic hair he lifted his head straight up towards the ceiling and let out a loud moan. After. I willed my penis to behave itself. This wasn't the way I wanted my sister's best girlfriend to think of me.It didn't work. I had been without serious girlfriends for the entire time my sister and I had been engaged in our affair, and I had yet to find anyone now that we weren't doing it anymore. It had been too long since I had had any release other than from my own five best friends. My erection continued to grow. Cindy HAD to be able to feel it - she just HAD to.If she did, she did nothing. I pulled the sheets back and turned off the light.I woke up with the feeling of something on my dick. I looked down and seen Andrew pulling on it.I rolled over on my back and pulled the sheets back. I said to slow down some and not to hold it so tight. After a few minutes he finally got it right. He looked up as to get approval. I told him he was doing good. I showed him how to hold my balls and massage them. After a couple of minutes a bead of pre-cum pushed up and pooled on the head of my. Lynn had just settled on my cock and was moaning lightly as she slowly rose and fell on my cock. Startled seeing the other ladies coming in, she slipped off my cock and sat beside me. Both of the other women knew what was going on, but they ignored what they saw and climbed into the hot tub. Bridget was wearing a plain white bikini, it covered her large breasts and gorgeous ass very well. Seeing it was white, her large nipples shown through very clearly. She settled into one of the lounger.