I assumed that this was to be one of our usual sessions of heavy petting, and that after I had taken her to orgasm once or twice, I could tell her the truth and we could laugh over the wild story I had made up.
It's with the County Electricity grid working as a grunt to start with. "Hey, Gran," I winced as she grabbed my face and gave me a big juicy smacker on my right cheek, "How goes it?"
She held me at arm's length and looked me up and down