Harry bent over biting one of my nipples pushing me over the edge into a full on orgasm. It was the first orgasm she had ever given me.She lifted her ...face from my pussy and with Harry's and my cum all over her cheeks and chin said "I knew I could make you cum, and no better place then here." She turned around taking the head of that horse cock in her mouth sucking like she was born to do so. I put my head on Harry's chest watching my slut of a sister suck that horse cock.She then got sitting on. She stepped across and settled herself down on the end of my bed, facing me. "You don't mind if I sit here a minute do you?" she went on, "we don't seem to have chatted much since last weekend"."Of course not", I laughed, my eyes distracted by a clear view up to her bare pussy as the gown opened over her thighs when she sat down. "Actually, I half expected you to look in on us again sometime, but I guess it's not so good in the dark!" No", she chuckled, "I'd have loved to, but it would just be. If 'g' is her grandson's age in years, then her grandson is 365g days old.365g = 52s. The grandson's age equals the son's age."Since the grandson is 12g months old, 12g = m."Since the grandson, son and grandmother together are 120 years, g + s + m = 120."We have three equations and three unknowns (g, s and m). They can be solved as follows:m / 12 + 365 m / (52 x 12) + m = 120 or52 m + 365 m + 624 m = 624 x 120 orm = 624 x 120 / 1041 = 72."I turned around to the class and pointed to my. “I said, I hope you have a lovely evening and I’m so jealous you wouldn’t believe.”“Perhaps Dave can give Jack the caterer’s phone number on Monday and Jack can arrange the same for you.”Sue looked at me and winked. “Now that is a great idea. You make sure to do that, Dave. I’ll remind Jack to ask you for it.”After Sue left, Ruth came over and wrapped her arms around my neck. “Thank you for my spa day. I feel so relaxed right now. And not at all forty. But I know I won’t get this treatment.