Well I was all for that.He went to take his shower and when he came out of the bathroom he was totally naked. He wasn't a "hunk" or anything like that... but he was so dark. Almost a purple sheen to his skin, and it made his dick look, well beautiful. I couldn't take my eyes off it. It wasn't huge, ( I later measured it nd it was 7.5 inches with an nice girth ). He didn't say anything and walked over to where I was sitting and stood about 3 inches away from me. As I watched his dick got hard and. We h ave a wooden fence and it had never been a problem before, until we got the pet donkey. My wife went out naked as usual. She oiled herself up and lay down to catch some of the sun. Jake (the donkey) took notice of my wife in her new state of undress. Every few minutes I would look out the window, just to cjeck on my wife. I did notice Jake inching his way closer to my wife. When I looked out one time, I noticed my wife had started rubbing on her pussy. It was not unusual, the hot sun made. Chelseagot down on her knees and bent over, placing her mouth directly on her mother's wet cunt. Shehad always wondered what it would be like to taste a pussy, and now she was finding out! Hernostrils were filled with the aroma of fresh cunt juice, and it was intoxicating! Working her tongueup and down her mother's slit, both women were soon entranced by the situation. Although shedidn't want to, Faye knew that it was useless for her to resist having an orgasm, because whenevershe got her cunt. Nine months later, on the second of June, their respective report cards arrived in the mail and the contest was over, well almost over, Caroline still had to pay off the bet.After they had compared grades she looked at the brother. "Look Mark," she cooed in her sexiest voice, "you aren't really going to make me do this are you; I mean its sick for Christ's sake, and besides you're my brother!"Mark just smiled at his sibling. "Sorry sis it may be sick but I've worked the whole year just for this.