She had a very melodic voice and it amazed me how she was able to discuss such abstract topics with some rather convoluted math in such a way that I c...ould easily understand them. I guess it helps that I have a Masters in Economics so it's not like I was in completely over my head, but I prefer to leave pure economic research to economists.As her story drew to a close I felt her smile against my chest."Well there was one downside this week," she stated."Oh?" Yeah, some jerk popped out of the. She was almost frightened by the overlap of successive orgasms that all seemed to blend into one, massive constant feeling of release. It was as if the inside of her body were melting around the shape of his driving cock. The whole length of her channel rippled and clenched while he groaned and continued to fuck her faster. Harder. Was he as desperate for this as she? Yes, fuck yes, he had to be. How else could…. Then he howled against the back of her skull and shoved his body into hers. Skinner?" he asks, and I nod. "Sure, we learned about him last summer during that course I took at the university." Sometimes I forget I'm dealing with a genius level IQ. Okay, here goes. I take a deep breath."Okay, so you're familiar with cause and effect and stimulus and response?" I ask."Sure, but Aunt Sara, we already know what the cause and effect is... I don't see..." I cut him off before he can continue."Wait," I assert, and he just sighs. "There has been some success with a process. A granite slab a mile thick stood between our location and the base's radio receiver, effectively blocking out our signal. The steady hiss of static ruled the airwaves. Alice handed me the radio's microphone and instructed me to repeat the call to base every five minutes.Backing up the steep slope was a royal pain in the ass. Reverse gears are slow, and the best speed our Mule could manage up the incline was not much faster than a slow walk. Our retreat finally paid off when we came to a wide.