Grandpa loves the feeling of his dick sliding between your legs." He began to thrust in a frenzy, and Mildred said "Put your hand down over the top of...his dick, baby." So I put my tiny hand down to the area where the hot fat head of his dick was popping up between my legs. He pulled my hair even tighter, and I cried out again. This time, he said, "Thats it baby. Grandpa is going to cum. I'm going to cum and then I'm going to show you what a good girl I think you are for making Grandpa so hot.". And that is when the hiccup starts. Hearing Mark is bringing a man with him, Jessica and Jennifer begin to imagine it is someone Mark wants to introduce and fix up with one of them.Much primping and preparing occupies hours of the next couple of days. When Wednesday night arrives, the two women are giddy with expectations. They hear the front door open and Mark calling out as they enter. The girls fly to the door to welcome Mark’s friend.And what a vision the friend is. Who could resist. Laura smiled.We sat down for lunch. Before long the kids had had their fill and lost interest. They were allowed to run and play; they are frequent visitors in my apartment so I keep a collection of toys that gets updated on a regular basis to reflect their development. Lisa jokes that I am far too organized and scientific in my approach, but the kids love playing here. When they had noisily departed for the 'play room' next to Laura's bathroom, Joyce asked "So, did you have a good birthday. Scott’s hands expertly undid my bra, giving him access to my pink little nipples. Tickling one, he began gently sucking on the other. I let out a soft moan, falling back into the sofa. “Hmm, you seem to like that! How about if I kissed you... Here?” His lips began trailing down my chest towards my stomach. “Or if they went down here..?” He was now teasing me, kissing across my flat stomach. I moaned again, louder. “Oh baby, that feels good!” I started to relax. He was my boyfriend now, surely I.