I was really becoming impressed with Amy's dirty little mind. She was no longer an unwilling participant in our sexual adventure. I had tapped into a ...eautiful pool of ingenious ideas. On top of that, she was becoming addicted to Valerie's skills with her tongue and with Valerie's pussy juice."Come on Val, Just let me have a little nibble?" she murmured into her friend's ear. Valerie was still under orders not to make any moves to relieve her desire so Amy had to actively pull her legs into a. Her groans were getting louder and louder, and I knew that if she came I would not be able to control myself and would cum also. I was almost at the point of no return, and clearly so was she, when she suddenly stopped her movement and looked at me intensely. She pulled her fingers away, and I saw that they were all wet. What she then said was the most erotic thing I had ever heard from a woman's mouth. "I don't want to cum yet," she panted. "I want to change the rules." I asked her. One morning when Cecilia was off with the girls on an early morning shopping expedition, Grace and I went riding before the day got too hot. Riding wasn't my favorite thing, but I was learning in self-defense since the three girls were at an age when they were enamored of horses. We stopped at a group of jumbled rocks which some glacier had no doubt deposited tens of thousands of years before. They were in an area of gently rolling grasslands. This time of year all the grass was brown and. .. well...” Instead of finishing the sentence, she made a wanking motion with her fist.Lara raised her eyebrows and sighed. “Really, again?” she asked. “That’s almost embarrassing now.”Dalia looked at her surprised. “Does he do that often?” she wondered and leaned over to Lara with great interest.The slave nodded. “All the time. It’s actually my job...” She stopped and looked around, as if she thought someone was listening in on them. “It’s actually my job to take care of that,” she finally.