I don't understand why she would do something like this." Right now all we have is a hypothesis. On Monday we'll know for sure." What happens on Monda...?" I've been reading articles on how to analyze for insulin. The best method is HPLC. We have an HPLC instrument at work. You'll need to sneak that blue-tagged vial to the lab." Mom works Saturday, Sunday and Monday this week. I have to leave by seven-thirty to get to work by eight. Mom leaves after that. I'll figure something out."Keith parked. Of course I wont tell your parents. It will be out secret." Then he gave me a high-five, like he used to when he was little. "Just hop up onto the examination table please Megan." he said. I hopped up and removed my long skirt and panties. He stared up my pussy, between my legs. "Hmmmmmmmm" he said. "I cant see any tearing, but we will have to make sure." and with that he pulled down his pants, revealing a seven inch hard cock! "What are you talking about? What are you doin Dr.Tom?" I asked.. His cock was hanging out for everyone to see. Then we passed two girls who were both topless. Dad and I looked at each other and chuckled. We saw a sign near the dunes and we went up to read it. It said this was a clothing optional beach. I giggled, and Dad said, "Um, I think I made a mistake. Maybe we should leave."I said, "No way! This is cool!" and then I untied my bikini top and slipped out of my bottoms and shoved them in the beach bag he was holding and danced around in the sand naked.He. Then I inserted my tool of manhood into her love hole. For married women her pussy was pretty tight. Maybe because lack of usage then I slowly started to move my shaft in and out of her pussy. She was giving out moans of pleasure and I was answering to her moans by increasing the intensity of my push. Then after I while I was pumping her like a fucking machine. We almost kept fucking in that position do close to 10 minutes. Then I asked her to stand on the ground and lift her leg and put it on.