Night Visit

I was adopted at the age 5 and lives with my new parents from then on. Nothing major in that they were good to me, and I got on very well with both. He was 45 at the of my adoption and she was 37. I wasn't great at school and left at 15 to work with father (plumber) learning the trade. He started getting very ill and on getting a checkup was told he had lung cancer, and it was very advanced. Not much they could for him, and he passed away 4 months later. He had ignored the signs and only when it was too bad to ignore, he saw a doctor. He was 59, anyway we both missed him very much, but we continued on as before her doing the bookings and book work, I did the work. I was 19 and in bed thinking and had nothing to do the next day Sunday, only if it was an emergency would I work Sunday. It was then my bedroom door opened and my mother 51 came in totally naked. She said she couldn't sleep as she was very horny and hadn't had sex for years, then asked me to fuck her. Neither of us are great looking maybe average at best, I wasn't a virgin a couple of female customers had seen to that. But I wasn't an expert either and a fuck is a fuck. So, I fucked her and after I fucked again and also in the morning. Then she stopped the sex as she had a sore pussy from the lack of sex for years. But she gave a blowjob in the afternoon and promise more sex as soon as she recovered. A quick recovery later Wednesday night I slept with her and every night since. It's been over a year now since we started fucking and I get sex from most weekends and once during usually. I also get lucky with female customers sometimes always widows or divorced mature ladies. My mother knows I as I always tell her, she said it's good customers relations.