He gave her a sexy smile and once again placed a finger inside of her, receiving a hard moan and feeling her hump against his hand. She was just so ti...ht that he was about to loose control. He fingered her slow but hard, feeling her move with his finger. All her moaning and moving was driving him wild. Soon he felt her cum on his finger. He slipped it out and licked it never taking his eyes off of hers. Her wide eyes sparkled as she watched him suck her juices off his finger and brace himself. .........its kind of embarrassing Sister”“Oh I see, very curious young man”She grinned as she left for the missions centre. Phew, I had not expected the questions but I guess I should have seen it coming. It had been six months since my ‘surgery’ and I was having trouble thinking of an excuse to come in every month to get a new supply of the pills that rendered my little swimmers ineffective. Perhaps I could ask the nurse for a believable cover up or perhaps I could come clean about not having. And make sure you're carrying your passport! Oh, and another thing, make sure you always have some dough around. And try not to keep it all in that purse. God knows the messed you'd wind up in if you lost it."Lisa met her mother's eyes and they both broke into hysterical laughter, leaving Joe gazed at them in perplexity."Yes, yes, and yes! As I've already said to your daughter, I'm quite capable of looking after myself. My only worry is you two," Lisa's mother retorted. "How's Lisa going to. " Mary licked her neck, up to her ear. "Move your hips, and lean forward or back. It'll change the way his cock slides into you. Find what feels best, then ride him hard, my little peach."She leaned forward, rolling her hips, eyes widening. "Oh, wow! I see what you mean."Mary ground her groin against my cute granddaughter's ass. "Give my horny stallion a good ride!" I will! The best ride!" Liza boasted.She gave me a spirited ride, almost as good as my naughty filly's, but no-one was quite as.