They just stared at me. Not wanting to add to my error, I let the wrap fall and their stares turned to grins. They led me to the table by the pool bar... and we all sat down and got to drinking.I learned a bit about each. They all said they were married with kids, etcetera. However, they kept saying that Mr. P (my husband) had caught the best one of the bunch.In the heat, we went through several beers quickly. The chatting rapidly became more laced with innuendo and double meanings. I was a bit. But today he was very horny, and his charge's vulnerability made her especially attractive to him. On the way back to her room, he pulled her aside and into Moulton's study."How about a quickie?" he asked.MA looked at him blankly."Come on, honey. If you don't want to take off that sexy costume, just make a blow job." He spoke in the cajoling tones of a man on a date, not someone guarding a defenseless captive."A blow job?" MA said. "Okay." She knelt in front of him."Nice and slow," he. Meanwhile, my fist was traveling up and down my cock, stroking it hard enough that precum was already dripping off my now, purple head. Smirking at the irony of shutting her up with my cock, I grabbed her by the hair and pulled her to her knees.“You don’t want to get hurt? Then suck it, suck my cock like your life depends on it, bitch, because it does. I want to feel your throat squeeze me until I am ready to blow my load all over your pretty face, got me?”Teresa’s gaze locked fearfully on my. ”“You’re fucking lovely,” I groaned, cranking my dick.“So are you,” my grandmother replied. “That’s why I want us to do it. I must be bonkers, but I want us to do it together.”I moved without thinking about what I was doing. I sort of understood the enormity of putting my cock into her body. She was may grandmother. We were related by blood. She’d birthed my father. It would be i****t.“This isn’t happening,” I said, groaning it out.“Oh God, yes, it is,” my grandmother sighed.I was between her.