All the pressure points I knew about I got from the self-defense classes my mom made me take.I didn't enjoy working the kinks out of Marcie's back as ...much I liked having it done for me. She was my sister after all! During commercials she would experiment on either Julia or me. I usually reciprocated but never with Julia.Once she tried using her feet, basically walking on my back. At first it felt great, then she jerked and you could hear my spine adjust, crack, crack, crack, crack. She didn't. Although he was pumping in to my ass, there was dripping from my juicy pussy. He took some of my pussy juices from my pussy lips and applied it on his shaft and started pumping my ass again. My own pussy juices were making his pumping strokes in to my ass easier. I knew that as always, he will take a lot of time to cum but before that I wanted to have my first orgasm by rubbing my pussy clit. I moved one of my hands down to my pussy lips. Oh my god…. it was so wet…..so wet that it was very easy. I heard her coming and sat up. She entered the room and my eyes widened as I looked her up and down. Her hair was tightly pulled back and in a short tail. From the lighting I couldn't tell if she had makeup on. A white long sleeve shirt and jeans were how she dressed. My heart sank a little thinking I had thought it all wrong. I started to get up but she moved quickly over to me and pushed me back down, moving on the couch beside me.As if in slow motion her hand came up behind my head and. Naughty Naughty. Did you get enough to eat Scott? I bet you did. Well I will leave that in place for a moment and check on my other experiments.” She moved around to under the table where my balls were. They felt so heavy. She squatted down and had to pick them up with two hands. She hefted them then let go and they fell. As she did I felt them hit the floor. The table was at least three feet off the ground. My sack had grown and stretched that much. “Well congratulation Scott. I think you have.