As I was wearing boxers and also I was uncomfortably close to her my hard-on touched her ass from behind. She twitched for instance but I guessed she ...as not sure what just touched her ass from behind. I was shocked at first and I was trying to control myself. As we were so close to each other. My dick again touched her ass. This time there were no sudden movements. It was like the time just froze for a moment. I took it as a green signal and very slowly I started rubbing my dick against her. “This is the Guilford Courthouse National Military Park. It’s located north of Greensboro, N.C.,” I informed the women, indicating the general area around us... “It covers some 220 acres, but we won’t be traipsing through all of that,” I assured them with a smile. However, it was now past 1:30, and I was sure that we were all ready for lunch.“Before we begin our tour of the battlefield, we should have something to eat. Therefore, I will transfer us to the Tannenbaum Historic Park, which is. And then he put me on the bed and started stripping in front of me. I asked him what he was doing and he told me he doesn’t like to sleep with clothes on and only prefers underwear. I again did not realize that it was a bad idea and let him get naked. But now I couldn’t stop staring at how sexy his body was. 6-pack, big chest, and I loved his manly chest hair. I guess that’s the benefit of seeing 26-year-old guys naked. And then slithered into the bed next to me and started asking me a question. My erection swelled, clenched, then convulsed repeatedly as I filled her with my discharge. When I was done I pulled away and she turned around, put her arms around my neck then kissed me hard, with a hint of tongue. She pulled her head back, her eyes fraught with unease “I’m not a bad fuck, am I?” Not waiting for an answer my sister got out of the pool, picked up her clothes and went to her room. I stood in the waist deep water and thought about Maxi. She was hurting, she was feeling.