I relaxed and pushed out with my arse muscles, feeling a sting as he first entered. I watched his face as he felt how tight it was, his expression was... a look of wonder. He pushed forwards with his hips, the initial sting eased as he popped through my tight ring and I just felt an aching fullness as he buried himself in my rectum. It felt so big and so wide his pre-cum and my juices helping him work his way deeper. "Is that ok princess?" He asked looking down at me. "God yes, fuck me slowly." I. I was making love to my mum my cock so hard after she had squirted on my cock I said mum I'm about to cum. She said fuck me harder I wanted harder I want us to come together with my cock and had picked up the pace I got faster and faster. I said mum, Mum I'm gonna cum, come with me mum was moaning really hard. I was about to come I could feel my balls tense mum was on the brink of cumin. I said mum I'm cumin and mum let out this almighty moan I'm cumin son I'm cumin and we both cum together.. ” Mrs Witton then rolled each of her sleeves up to above her elbow showing she really meant she was going through with her threat. Different to Robert’s unfulfilled threat I thought. Mrs Witton not just threatened a spanking but was jolly well going to carry it out. Robert undid his trousers pushing them down to his ankles and in one further movement his underpants followed. He went to his Mum’s side and just a look from her had him bending down across her lap. His hands hit the floor and his. I went near her and said ” Ma, am sorry”She didn’t even move. She just said two words “GET OUT!!”. Well I expected more. I thought she would throw me out of her house. But just a couple of words seemed odd. I walked to my room nude. My mind was blank. I went straight into shower. I turned on the shower. Hot water helped soothe the tiredness. I was standing still like a statue. I saw water flow over my beautifully carved abs. Then that reminded me how i was lying naked next to my mom. I spent.