When they were rock hard little nubbins she began lowering her panties."Please, Dennis!" she implored. "This isn't right. You've had your revenge, now...let me get dressed again." Are you kidding! For all the shitty things you've done to me over the years I oughta make you do jumping jacks on the front lawn. Besides, A lot of guys my age would kill to have a college girl at their beck and call. Just because you're my sister doesn't mean you're not a girl. I'm gonna have a LOT of fun making you do. "Fine. But he's not going to put anything up Momo's butt, is he?" Dr. Lawrence, I hope you don't have a rectal thermometer in that bag." No, nothing of the sort." Ok, Momo, just do what the doctor says and you'll get your reward." Fine."He went through the tests, reading her blood pressure, looking into her ears and eyes, examining her teeth, and checking her reflexes, as well as the sensitivity of her ears and tail. Then came the final task."Momo, you've been a good girl, and now, the last. "Seems like a good fit." Yes, that's exactly what I want. You. Permanently. What sort of deal do you have with your house-mates?" He returned her smile and turned off his head, not satisfied but content, knowing there were all sorts of bits and strings dangling. There's more to this, a new chapter. Too sudden, immature, but very pleasant. This is a precipice. The hell with it. Onward."I'll have to pay my share until they find somebody."He nodded. "And change your address and phone number at. It was working!Skip ahead a couple years and I’m getting anxious to be married. I’m not sure why but that seemed to be what I was supposed to do. I found a nice guy with a nice dick and got my thrills screwing around on him while I was engaged. Single guys were open-game now.After the honeymoon, where I snuck off twice with different guys to get some strange cock for the thrill, I realized I hadn’t thought it through very well. Although taking on any guy was now wicked, I had to be even more.