I got off a couple stops later and made my way back to Joe and Sarah's flat. The three of us were going out for the night and I needed to change so we...nt to go into the bedroom but Sarah told me that Joe was in the shower. She suggested that I just change in the living room instead. My cock was still hard and my balls were aching due to not getting to play on the train. I tried to turn away from Sarah so as to hide the bulge in my boxers but she moved round to the other side of the room so she. I kind of felt bad about it and for her. I mean these girls are really putting themselves out there. I doubt I would be able to pull it off were I in their position. By the same token, they obviously know what they are signing up for. They’re expecting men to give them money based mostly on how good they look, so I didn’t let myself feel too bad.The next girl was the second black girl of the night. She was quite different from the first, much darker and only about 5’5” with short curly hair and. I was happy enough with that.I grabbed a beer from the table and began to circulate around the room, chatting to classmates and friends, and being introduced to some of the students from the surrounding houses who were either ahead of us or were studying elsewhere.There were a few people dancing in the middle of the living room where some furniture had been pushed back to create a makeshift dance floor. I felt a hand on my arm and turned to come face to face with Mary. I smiled. “Hi, glad you. She said, "So, it was about me."I said, "Yes, I have had many fantasies about you."She began to stroke my cock and I asked about her husband. She said, "He is out of town on business. Don't worry about him." Then she leaned over and kissed me. Her hand felt so good on my cock, I could not believe this was happening. She stood up and removed her shirt.I said, "Are sure you want to do this? Your son is one of my best friends and you have been drinking. I don't want to take advantage of you."She.