My fingers lightly explored the rock hard penis through the fine silk. I caressed it for a while. I broke off our kiss and slipped to my knees betwe...n his stockinged legs. With both hands, I took his panties, and lowered the elastic over his penis.There it was. Sticking out from the groin, it was the only reminder of this beautiful girl's origin. Hesitantly, I touched it, slowly gliding my finger tips from the base to its head. Then I leaned forward, his hardness moved slowly across my. That makes three times. Still anotherthree to go. What's 24 times two?"I thought hard. "Forty-, no, sixty-eight," I said.Mom laughed. "OK, well, it's actually only forty-eight like you thought inthe beginning, but now because you said it, we'll go with sixty-eight.What's sixty-eight times two?"I thought long and hard but couldn't figure it out. That was embarrassing."Please, Mommy, you tell me. I need to write it down. It's too hard forme."Mom laughed. "You realize that you used to be able to. Then after the dinner was finished she went and took a shower. I went in and waited until she got out then asked her again who she was fucking. As she was now naked I could see she had shaved all the hair from her pussy. There were red blotches on her neck and had several hickie's on her breasts. “ I guess you didn’t get enough of him today” I said “do I know the man you fucked today”. Debbie was getting dressed then laughed, “man, you mean men don’t you”. She turned and was putting her. . I could have given you a good fucking before they come round here ... god what you like?”“Give me a good fucking ... and slack bitch eh?” I replied “Is that all I am to you a slack bitch?”“Of course ... you didn’t really take any notice of all that other shit I spun ... did you?”I just stared at him, a little stunned, how stupid can a girl get“Ha you did, didn’t you ... then you really are a slack bitch ... all I ever wanted to do was give you a good fuck ... that’s all slack bitches like you.