Her sigh was positively wanton.The mixture we had injected into her vagina lubricated his way and coated his cock with the same heavy fluid that was m...king her hips buck. He waited a few moments until I saw the smile light his face. He was feeling the stimulant now. He started rocking and soon she was humping him back, faster and faster, hoping for relief from the terrible need we had put between her legs. With one final push Hal pinned her to the floor, held her there, and shot semen deep up. For the next few weeks went reasonably quietly, they seemed less worried about me seeing them getting changed, but all I got was glimpses and sneak views, and I tried to keep a low profile realising that the episode after the netball match was quite close to getting myself in trouble.Then as I was dropping Mandy off one evening, her mother, Debbie asked if I would spare her a moment, whilst she had always been there to meet Mandy, we had never had a conversation other than a brief thank you.I. ‘Now Mr. Sterling, I’m supposed to wait on you.’ ‘I wanted to stretch my legs Didi. Oh, and hold my lunch for an hour or so,’ and he pinched her skinny ass. ‘Now you behave, we haven’t been off the ground more than half an hour or so.’ ‘I like your ass at all altitudes Didi.’ ‘Are you always horny?’ ‘Oh no, I can go for a day or even more and not even think about sex.’ ‘Gee, a whole day. How do you do it?’ ‘Oh, sometimes with my hand, sometimes with you…’ She smiled and said, ‘Now I mean how do. There was a brief silence till he asked. "What are your plans for the rest of the day?" She was silent for several seconds. "I really have none. I live by myself that is why I said riding by one's self is not a great incentive to get out and about"."Oh! My name is Rick", he said. "I was thinking because I have an interest in checking out an antique shop in the hills which I'm doing when I get home and as you have nothing on the agenda would you like to join me. We could have a light lunch as it.