Biology is only one. I read books about chemistry and physics too. All that science stuff is real interesting.’ ‘Yeah, I know little brother, but ...hose biology books, do they really have pictures of what girls look like down there?’ Next time you get one, let me know so I can see. I’m dyin’ to know what girls look like.’ ‘Well, they’re not photographs, if that’s what you think – just cut-away drawings. But they do show the male penis and testicles. And they show the female vagina and uterus,. My cock jumped and I started delivering my thick sperm onto her waiting tongue."Lovely K, thank you." she purred at me, her vocal chords thickened. I'd not even noticed her swallow, she was so slick. "Now for that spreadsheet and maybe some more fun later."_Later turned out to be that afternoon in the lift. I had to go up to accounts and she stepped in beside me as the doors were closing."More of that sperm please!" she grinned at me. She held the stop button and dropped down on her knees and. I drew him out of my mouth, licking the head, and going back down. He gave a long, low groan, his hands on my head. I set up a rhythm. His cock got harder. He grabbed two handfuls of my hair, the way I saw him do before to the blonde. Then, he came in my mouth less than three minutes after I had started on him. He wasn't quiet about it either. He didn’t have to tell me to swallow; I drew on him until he made me stop. When I finished, he stumbled back a couple of paces into a chair. "Come. Sheproudly displayed it for us as if it was the Hope Diamond.As the wedding day approaches I begin to plan a bachelorette event. Idecide that Las Vegas is a clich? for a reason and Bekka decides thatshe has a few last wild oats to be sown. Her only concern is leavingZach behind as he has been hugely influential in creating her new life.Zach says not to worry he has a plan.When Bekka arrives at McCarren airport I follow her sporting a brand newbody. Blonde and buxom with curves that end only at.