I did not expect what came next. Mom turned to face away from me, lifted the back of her nightshirt, and spread her ass cheeks. I stared and saw that her asshole was gleaming and slightly spread.
"My asshole is so itchy," she moaned. "I really need you to take care of it for me. Can you please--?"
"No," I replied firmly, making her flinch in surprise.
Her eyes were just as enormous as Tanya's had been earlier, when my mother turned to face me.
"Dad's home," I said, shaking my head. "We agreed, Mom. You keep forgetting that was the deal. I'm not going to do that and f**k up your marriage. Go back to bed."
That came out much harsher than I intended, like I was snapping at her. Her mouth worked wordlessly, and then she blushed at the end. Neither of us could believe I had talked to her t
