" he breathed."Do it, please Bob." I cut him short.His hands fumbled at the back of my neck and I felt the collar tighten a little, at the same time I...was shocked to feel my nipples starting to grow hard! I felt a deep shame at my body's reaction to the situation I was in, getting turned on was the very last thing I had expected and I felt sick at my own weakness."More," I said to my son as he stopped again, "Keep tightening until I tell you stop. Do it for me Bob."Bob hesitated then began to. My friend was a huge guy, a workout fiend and had the muscles to prove it. In his off hours, he managed a gym that also had tanning beds. I was able to talk Rebecca into going to the gym with me, meet my friend, and tan while he and I visited. David had already told me that one of the tanning beds had a 2 way mirror they had installed to watch some of the prettier lady’s strip and tan. I told him, that was the bed I wanted Rebecca to use!!When we got there, David had a couple of friends he was. "We're not sorry. Besides you liked that," I replied."Fair enough," Connie said.Then she went back to the living room and Judy took off her shirt and bra. I pinched her nipples a bit and played with them."Yeah that's what I call multitasking. I love it," Judy said.Then I climbed up on top of her and inserted my dick right into her with no condom. "Pregnant sex is good too, now let me ride you," Judy said.We switched to reverse cowgirl. I put my hands on her butt as I made her bounce up and down. Before I know it he delivers three quick smacks to my exposed rear end leaving my cheeks a rosy red. I can feel my pussy start to get wet as he brings his hand down for a fourth blow. I am humiliated and turned on at the same time. Just when I think he is going to stop his palm makes contact with my ass again. Only this time he begins to slowly massage my heated flesh before pulling aside the thin scrap of lace dividing my cheeks to slide one finger into my hot wet slit and then another. My.