Quick little story about screwing my sister-in law

Ok. I’ve always had a bit of trouble keeping my dick in my pants. I have been married for many years, love my wife, but I can’t be faithful. I give in to temptation all the time. this is about a time with my sister in law.
I was around 20-21, newly married had a house and all. Not very big, but it had a dry basement I had sort of fixed up. Had a bathroom, and a little kitchenette. Plan was we would move down there for a bit while I remodeled the upstairs. But for now we were still upstairs as I needed togeet the money together for the renovations.
My wife’s sister called her up crying. She had moved out of parents house, living on her own and ended up getting pregnant. The landlord also had raised her rent. She was going to the Community College and working part time. Boyfriend dumped her.
So my wife asked if she could move in downstairs for a while. I really didn’t want to because of the temptation. (She was a sexy little vixen) And I was really trying to be good. But against my better judgement I said ok. For a while. Turned out to be two years. (More on that another time).
We got her settled in and everything was ok for the first couple of weeks. She got into her routine. Her job was working evenings at a local restaurant. Between the three of our schedules It worked out that we were the only ones for a while during the day. I often used this time to work around the house. Mowing, yard work, maintenance, etc.
One day I had finished mowing and was all hot and sweaty. I sat down on the back steps in the shade to cool down. Sis came out bringing me a cold glass of tea. She sat down beside me and we were talking a bit. I was always a bit flirty with her. so our talk began getting a bit warmed up. I began noticing things like her boobs had gotten a little bigger, she had filled out a bit too because of pregnancy weight gain. She had on cut-offs and a t-shirt with no bra. I could see her large round dark nipples clearly. And so I was getting a bit aroused.
She started telling me all her woes, trouble she was having and all. Saying how she was busy all the time and really had little time to date or anything. I told her she shouldn’t worry about dating right now. Then she started crying saying how she felt fat and ugly, no body wanted her, boyfriend dumped her. I tried to comfort her, and I put my arm around her to reassure her. She fell onto my shoulder, tears dripping on to my sweaty body. Between the touch of her and the smell of her hair, bit of the body spray she used, and bit of sweaty hot pussy, I thought oh boy. She looked up at me, her face covered with my sweat and her tears and asked ” Do you think I’m still pretty? or am I fat and ugly?” I said ” No way ! If anything I think you look prettier than I’ve seen you.” Then she looked up at me with her big blue eyes into mine for the longest time. Then we went in to kiss. we kissed passionately for a while then as if I was on auto pilot, my hands went to her breasts and down to her crotch. She shuddered and said “Oh god I haven.t had any forever, I’m so fucking hot” And she ran her tongue up my chest licking the sweat as she went. She reached up the leg of my shorts and grabbed my cock, and my hand undid her shorts. She said “Please fuck me, I want it so bad. Pregnancy has made me so horny”. I pulled my shorts off then hers and entered her right there on the back step. I didn’t care if anyone saw or heard us. (no one did). I shoved my full length into her pumped three or four times then she started cumming. Wow her pussy was clenching me so hard I began cumming in her. She was so hot and wet. She threw her legs around me and I picked her up and carried her inside while still in her.
Inside I dropped her on our bed and began to eat her out. Between the smell of her arousal and the slickness of our cum fluids mixed as I licked her, I was at full staff again. We licked each others sweaty bodies and she worked her way down and took my messy cock into her mouth. She said “I need you in all of my holes. She climbed up on me and lower herself onto me so I went into her ass and buried all the way in.I came in her ass and she came again. We lay together for a little slowly touching and stroking each other.
We fell asleep and woke up just a little before my wife was due home. We fucked one more time then went and took showers. Sis got ready and headed off to class. I put on clean work clothes and sat waiting for my wife to get home. When she got home she walked in and said the yard looked nice, : and I saw the flowers you put out. too” With that she walked over and put her arms around my neck and we began kissing. She looked at me and said “I hope you are not to tired to take care of your wife. I could use a little attention” And we went into our room and fucked until I had to leave for work.
This went on until about 2 weeks before sis was due. I was one tired but happy guy all the time.

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