The idea of her watching while I got myself off was making me hot and bothered. It was dim in the room, but the curtains were open and the streetlight reflected off the mirror above my dresser. I took a deep breath to calm myself and stroked along the sides of my vee. Bethany leaned closer to see better, but I closed my eyes so I could concentrate.

I imagined Mark was standing behind the couch while I was alone in the living room. As I kept rubbing along the outside, I imagined his reaction to seeing me doing it. Like he was watching me instead of Bethany. The tingling...