I thought with a sinking feeling that periods were in my future too. Iremembered girls I had known in a past life complaining but Elizabethappeared to...be totally casual about them. I followed Mabel over to theside table and, still feeling a bit unsure of myself, selected somecereal from the buffet, scrambled eggs, toast and marmalade, thenfollowed her back to the table."How do you feel this morning?" asked Mabel. She pointed to my plate."I think you have your appetite back." I feel well, but I. The smell was acrid and the taste was bitter, but assoon as my tongue found that hole, I wanted more. Pretty soon I was licking and sucking on his asshole and reamingit with my tongue and teeth as my hands gripped his hips and pulledhim down where he was actually sitting on my face his asshole jammedagainst my lips. As I was sucking and slurping his ass, he was sucking andslurping my cock and then a third thrill raced through my body as Ifelt someone's tongue slide through the crack. How he kept an erection, I have no idea. What I remember is that before there were only two sexes, male and female. Then some doctor learned how to alter things. I made sure Mr. Know-It-All shot his load before I left. I have my reputation to consider after all.Today we still have men and women, however; we also have genetically modified men and women. Chicks with dicks, studs with pussies, androgynous modifications, men with two dicks, self-lubricating butt holes, the lists are endless.. I stood up. "No, I won't," I harshly told him."N-no! P-please!" He started to raise his voice. My cock was starting to get harder. He definitely noticed this, giving him more confidence. "F-fuck... fuck me! Fuck me, Aaron!"I looked down at him. My cock was fully hardened now. "Well, you asked for it."He was still lying on the ground, so I reached down and grabbed him by the waist, pulling him up. When he was standing, looking up at me, I spun him around and grabbed under his ass cheeks. I.