The rest of the meal was uneventful, though every now and then Michelle had the strange impression that her father was checking her out.After dinner, ...he asked him if she could see the broken ray. She had some experience with mechanical and electrical engineering, and wanted to see if she could figure out how it worked. Dave readily handed it over after telling her to be extra careful, and to be sure to give it back to him when she was done so he could take it back to the station.As she walked. She then took my right hand and placed it over her pussy. I started to rub it softly and worked my way around her panties. I decided to take it further and go under her panty and started to rub her clits. She was going insane as I rubbed it in a circular motion. Finally she whispered I know a place we can continue this. She grabbed my hand and took me to one of the empty rooms. She then unzipped my suit and took my cock and began jerking me off. She then climbed on top and slowly dry humped my. His eyes fell on the White-Out bottle, and he got what, in retrospect, was a Really Bad Idea. Already naked, he picked up the bottle, lubricated it, reached behind himself, and slipped it in just a little, holding it by the cap. To his surprise, it felt good, in a weird way. The lubricating jelly had gotten onto his fingers and the cap, and he lost his grip on the bottle. It wouldn’t have been a problem if it fell to the floor, but that’s not where it went. It moved forward, until the cap. "You are a big boy" he added. I've heard this said to me a number of times over the years since, but this occasion, and one other that happened a year later with an older neighbour, have stayed with me as flattering and horny memories of positive feedback on my endowment.I didn't have time to hope for him to hold my cock...he had already wrapped his fingers around it and squeezed it gently at first, then harder as I started to thrust against his gripping hand. This carried on for a short while.