Robin trusted me, and continued sucking grandfathers cock as I began to play with her little pussy. At first I simply rubbed her small mound with the ...lat of my fingertips, then I slipped one of my fingers into her slit and rubbed it up and down her slit a few times, barely penetrating her. I spent a few seconds at a time gently rubbing her clitty each time I slipped my finger near the top of her slit, then I would slide it down the full length of her slit and back up again, once more rubbing. "He smiled then laughed and patted me on the back as he brought out a handkerchief to wipe the tears brought by laughing from his eyes.John and I talked about what I needed in order to complete all my work that had been started. I said, "The experiment in the Mylar film requires it to be accurately cut to a quarter inch. That is not a hard job but the coatings have to be bonded to the film first. I am afraid I cannot do all this."I need someone to oversee the bottle manufacturing. Perhaps one. Carmen realized that I could see, and moved over on the couch to catch a glimpse for her own. Her skin was red-hot to the touch, and she instinctively leaned against me as we watched the two girls stripping each other and then move onto Evie's bed to kiss and caress."They've never left the door open before," Carmen mumbled. "I get so horny listening them to go at it, but I never got to watch before."I could feel how horny Carmen was getting, rubbing her petite body back against my chest. I wasn’t sure what to do. “I’ve never done that.” “Go on… its okay… just don’t use your teeth so you don’t hurt me. You’ll be fine. Start by giving it a kiss… that’s it let me feel your tongue.” He said. “Mmmmm that feels good.” I caringly followed his instructions licking and kissing his knob while holding it in my hand. I pulled back in time to see a small white bubble form on the tiny slit on the end. “That’s just precum go ahead taste it.” He.