On the last evening of that seventh day, I speak to them for the last time. "HOW ARE YOU TODAY?" I ask this as they cuddle after a particularly intense bout of mother-son lovemaking.

"Perfect, Creep, even if you were watching us make love," answers Joanna.

"I CONFESS. I WAS WATCHING. YOU AND YOUR SON ARE MAGNIFICENT LOVERS."

Even lying naked in her son's arms with his sperm leaking from her pussy, Joanna manages to blush.

"ANY REGRETS?" I ask.

Joanna considers for a moment. "Only...I didn't know what I had right under my own roof. My husband hasn't really been a husband in many years and I'd forgotten how...