I thought about it as we carried those boxes out to the Jeep and grabbed more of my stuff. What occurred to me during that time—and part I didn't feel like discussing with Beth—was that she had said "me and Mom." That meant Mom had said something to her about it, and still wanted to have s*x with me. It wasn't taboo for her to have her husband's d**k inside her.
Thinking about having s*x with Beth and my mom got me hard again, of course. I held that box in front of my shorts to hide it, but Beth could see the obvious bulge of my erection as soon as I emptied the box on the bed. I saw her looking and sighed.
"It isn't just you and Mom," I admitted. "It was hotter knowing it was my sister or Mom. I get the taboo turn on. Still, this past weekend just felt like everything had gone too far.
