Sit-ups or something was paying off. What else was paying off were her firm, round tits. She was busting out of a white bikini top, beads of sweat in ...her cleavage, rolling down between her tits and hiding out somewhere inside her bikini top. She looked really hot and really warm in this weather. Her full lips were really working that bottle of Bud Light she was sucking down. I could only imagine her hand on my shaft and the head of my cock disappearing behind her 20-year-old lips. At that. I had carried on having a good time, chatting and making new friends and doing a bit of flirting.Eventually everyone was gone except for us, the host and a friend of his, Jeff. I was slumped in one armchair and Jeff took the other one. Tom came in from the kitchen with more drinks, I had had enough but not wanting to be inhospitable, I accepted it.Tom looked around and seeing nowhere else to sit, he lifted Beth's legs and sat on the couch with her, resting her feet across his lap.I said 'It's. Was it the first time you flew it using natural gas?"Mark grinned, "Yep, I knew it would work since I've been testing this new engine in my lab for a couple of weeks. We were testing the engine's airworthiness today. There is some added weight for the fuel cells that take up cabin space, but other than that, the fuel is about the same. That's what is under that tarp in the rear. If we get composite fuel cells made, we'll save on weight. I still have some experimenting to do with fuel flow and. He narrowed his eyes in concentration at a seemingly empty basket near the foot of the cross. He then looked into my eyes while he nodded his head in the direction of the basket. I cautiously bent down, and peered into the basket to see a bar-shaped, smooth brown coloured thing. He just nodded reassuringly at me, and so I broke off a piece and placed it into my mouth.It was like I was tasting love itself, as this sweet brown stuff melted smoothly over my tongue."Wow... And you say your semen.