Okay, it was a typo - my hands are big and clumsy - probably from playing too much hockey in my youth and now it's left me rough and banging things around the house and banging out letters on a keyboard that is better than a cell phone but could be bigger still to accomodate my fingers. "Processing" in the sense of a computer digesting data meaning Sarah was struggling to find the connection between my background in the cults and how that led me to the conclusion that the cabal was demonically energized.