.. That was cool. But some of THAT stuff was kinda milky."Back to teacher mode. "That was semen. When a guy has an orgasm, he squirts out semen. It's ... lot of different things, and in a guy who hasn't been fixed, a tiny bit of that is sperm. Sperm is what gets a girl pregnant when it reaches her egg." Oooohhhhh," she said. She'd milked another drop out of my dick and rewarded herself with it. Which meant that I was rewarded with a delightfully noisy suck on the head of my dick. "An' if a girl. I start going to the maps again, some do not have longitudinal and latitude lines they predate the use of those. It was a new discovery compared to most of these maps. Using one from our coastline, I give a best estimate on where each of the suspected islands could be located. Most are located between twenty-five and fifty miles off are coast. Therefore, if we fly in a pattern down a coastline we should locate most of these islands. With the view the carpet gives us, we should be able to spot. After a while, I heard her call “Ok come on in.”I went inside, and my cock instantly twitched in my pants. She was in her bra and panties, with a small towel to cover her ass, lying face down on a massage table. “There’s some oil on the shelf”, she says, almost like she was expecting this scenario. I silently went over to the shelf, and picked up the oil. I poured some into my hands, and started spreading all over her back. I started to press down slowly and gently. “Mmmm”, said Jo, ever so. Tabitha laid face down, reached back and shamelessly pulled the bikini bottoms into her crack, exposing most of that glorious ass. It flexed, then settled outward, widening the deep groove. Mark straddled the chair and glanced my way. His expression seemed sinister. No wonder he gave in without a fight, I thought. He had something planned for his sister. I smiled, hoping it'd be mean, but that was just sour grapes.While they were distracted, I removed my shirt. Mark laid his hands on Tabitha's.