Finally, I had to tap out. I don't think Mom even realized she was holding me with her hips. But she opened them as soon as she felt me lightly slap her thigh. Careful to keep the illusion, I slipped silently out of the bottom of the bed, then crawled out of Mom's room.

Just like she had the night before, I came back a moment later, standing in the doorway like I didn't know what was going on.

"You OK?" I asked, "I was about to go out for my run when I heard something."

"Fine," Mom said, absently. I was gratified to see her post-orgasm face. Hair everywhere....