We Didn't Know That Dad Watched Me Impregnating Mom
by Slippery Saddle Bum
Copyright© 2025 by Slippery Saddle Bum
Erotica Sex Story: Dad is released from the military after exposure to a serious health threat. (super classified) His son is his ringer and a very sharp cookie in his own rite. When he overhears his mom's plan to do something about her sex deprivation situation, he immediately researches how he can be the beneficiary of his mom's pussy... and not stand by while she gives it to some lucky stranger
Caution: This Erotica Sex Story contains strong sexual content, including mt/Fa Coercion Consensual Fiction Tear Jerker Incest Mother Son Cousins .
(started Aug. 31, 2020)
Mom is a beautiful, sexy, 5’3” woman who has never let her assets go to her head. Every man in the County ... Hell, every man who ever sees her wishes that he’d been as lucky as Dad was when she chose him to put me into her belly. She looks like a young version of her mom ... my Grandma Lacy. Grandma Lacy is forty-nine years old and she’s still hot.
Mom and Dad got married young. Dad was eighteen and mom was sixteen. I was born just before Mom turned seventeen. At fourteen years old, I’m five feet eight inches tall, just like my dad was at my age, before he grew to his current height of six feet-one. My body is already filling out and everybody who’s old enough to have known him says that I must have skipped a generation because I look just like my Dad’s dad did when he was young.
Dad’s only thirty-two but he got really sick from something he contracted or was exposed to when he was in the Army. They gave him a full medical disability discharge and now he goes to the regional VA clinic or hospital for treatment. Because of being sick, he looks older than he is, while Mom still looks like a high school cheerleader.
Puberty hit me when I was eleven and, probably because I constantly heard guys make remarks about how sexy Mom is, I’d gradually started looking at her as more than just Mom. It had been a subtle shift but now it’s nothing for me to spring a boner when I come down for breakfast and she’s wearing only her nightie and no housecoat. I have to stay seated at the table until no one is looking so I can make my escape to the bathroom. When we go swimming and she wears one of her bikini’s, I wish my swimsuits came with a built-in jock strap. It’s embarrassing but I must have inherited more than his appearance from my Grandpa. I have to stay in the water or away from Mom as much as possible to avoid having anyone notice the bulge.
The Fourth of July was coming up when I overheard Mom talking to her sister, my Aunt Sherry. She stops by every few days to spend a couple of hours with us. They were standing in the back corner of our yard, by Mom’s rose garden. I was ten feet away when I came out of the Lilac bushes, but the trunk of a Maple tree was between them and me. They couldn’t see me and, just out of curiosity, I decided to snoop(slash)eavesdrop on them to see what they were talking about.
Their conversation was about a family get together they were planning for the Fourth and some was about Dad’s trips to the VA clinic but what caught my attention was when I overheard Mom tell Aunt Sherry that, for several months, she’s been having trouble getting pregnant and now Dad’s nearly stopped having sex with her. I could hear the tension in her voice as she told Aunt Sherry that it was really frustrating for her to go without sex and that she was going to ask their doctor if he would talk to Dad about it.
Aunt Sherry looked around before she spoke but I was behind the tree, where she couldn’t see me, when, in a conspiratorial voice she said, “Carol, I wish you luck with your Dr. getting Dave to see your side of it, but don’t hold your breath. If he can, more power to you but, if not, do you know someone you can trust to keep their mouth shut? ... someone to meet and have sex with who’ll respect your privacy and not shoot his mouth off to his buddies. It may not be Dave’s fault that he can’t give you what you need but you’re too young and beautiful to let yourself go to waste.”
Mom looked at her sister for a long moment and then said, “Actually, Sherry, I’ve been asking myself the very same thing for quite a while, now, but I don’t have a clue who I could trust not to go bragging to their buddies about bagging me. I’ve thought of some candidates but not one that I’d dare trust to keep his mouth shut about it ... forever. And forever is a long time.
Looking beseechingly at Aunt Sherry, she continued... “I’d have to go on birth control and then pray to God that Dave never finds one of my prescriptions. If he ever found out what I was doing or even suspected something like that, there’d be Hell to pay. He’d get the proof that would destroy our family and ruin our lives. That’s two big ‘ifs’ I have to worry about. The worst of it is ... I’m afraid I might do something stupid because Grandma Lacy’s no dummy. I’m climbing the walls and it scares the hell out of me.”
Aunt Sherry remarked, “I’m surprised to hear that you’re considering it and it’s good that you’re scared enough to be cautious but don’t give up. There has to be someone you can trust to honor your privacy. Keep looking and, sooner or later, you’ll find him. You might already know the perfect candidate but have totally overlooked him.” Her mouth formed a secret smile when she said that.
Mom saw it and, with a surprised expression on her face, quietly exclaimed, “Sherry!! Have you ... are you...?”
Aunt Sherry was grinning from ear to ear when she said, “Yes I have and I am ... as often as possible and don’t you breathe a word to anyone that I told you. I never wanted to sound like a complainer so I’ve only made brief remarks about it to you but John’s sex drive isn’t a whole lot better than Dave’s is. In reality, I was existing on a sexual starvation diet. Still, I didn’t go out looking for it but one day I was grocery shopping when I noticed the husband of a real bitch that I know, looking me over. He had ‘that look’ in his eyes and I knew what he wanted. I was probably as scared as you are but I was horny as hell so I decided to have a cup of coffee with him to see where it went. It went out to my van in the parking lot and he fucked my ass off, my brains out and my eyes out for over three hours. It took another hour for us to catch our breath and recuperate. We made a ‘shopping’ appointment for early the next afternoon and we’ve never stopped. He’s married and I know the bitch he’s married to. She has the personality of a cesspool and she’s a religious zealot, to boot. A first class hypocrite. She only has a couple of people from her Church as friends and he doesn’t attend because he’s not interested in her wacky Church.
“One thing’s sure ... She’d clean him out, financially, and leave him living in a cardboard box if she ever found out so we’re extremely careful. When it comes down to it, this works for both of us. He’s not going to shoot his mouth off and have her find out so she can harp to everyone about him cheating on her and I don’t have to worry about John hearing scuttlebutt.”
Mom looked stunned, “Wow!!! Sherry! I never would have suspected it. How long ... when did you...?”
“Almost a year, now. It’s the best thing that’s ever happened to me. If John and I weren’t married and had the kids, I’d take him away from that bitch in a heartbeat ... Anyway, that’s why I said for you to not give up. I ... WE got lucky and we weren’t even looking. We just saw each other and it happened. Your Dave is a good man but you have a problem that isn’t going to take care of itself so keep your eyes open and be patient. You’ll meet someone that you can trust. When you do, enjoy yourself but never forget to be careful.”
“Oh, God, Sherry. That sounds so exciting! I wish something like that would happen for me.”
“It will, Carol. Who knows? It could be tomorrow, next month or six months from now but you’ll click with someone that you can be positive will keep your secret.”
I’d stayed out of sight behind the tree but I was close enough that I’d heard all that was said. When they moved back toward the house, I waited until it was safe before I stepped out into the open and started walking in the same general direction.
I couldn’t help thinking of what they were talking about and what I’d just heard Mom and Aunt Sherry say. < Very interesting ... Aunt Sherry is cheating on Uncle John and Mom is serious about doing the same thing to Dad. She’s actively looking for someone to be her secret sex partner but hasn’t found someone that she can completely trust to keep his mouth shut about it. If she’d already found someone, the conversation I’d just heard wouldn’t have happened. >
< Well I know someone that she hasn’t thought of ... someone who’ll never reveal her secret ... someone she won’t have to leave the house to have sex with. > My dick is very excited and so am I. I turned around and went back into the Lilac bushes. As soon as I got there, I pulled my cock out and jerked off ... firing multiple rounds onto the Lilac blossoms.
There has to be some way to make myself noticed to Mom, so I’ll be the one she chooses to have sex with ... the one person who’d never tell Dad or anyone else that he’s fucking his mother.
I knew that I needed information, so I went online and looked up “How to Clear Your Search and Browser History”.
Once I knew how to eliminate my electronic tracks, I started downloading both factual and fiction articles and stories that gave detailed instructions from guys of all ages on how they had convinced their mothers to let them fuck them. I even read the accounts of guys who said they’d repeatedly forced their mothers to suck their cock and swallow their come until they got used to doing it before having him fuck her ... eventually coming to accept and enjoy having him fuck her and come in her pussy. Most made the point that their mother had stayed silent about being forced to have sex with them because they didn’t want to face the embarrassment of anyone knowing that her son has been fucking her. With no other alternative, she accepted having sex with him but she couldn’t avoid having the sexually stimulated orgasms. Once accepted, it’s a surprisingly short time before she’s looking forward to and anticipating their sexual unions.
One guy wrote that after fucking his mother only twice, she became the aggressor and fucked his brains out. He said he’d never had a woman who had such violent orgasms as his mother did. He called off his engagement and moved into his mother’s bedroom. He said his mother lost twenty pounds in three months, looked ten years younger and could buck him out of her saddle. Just the ‘take it or leave it’ way he told it made me feel like he didn’t give a damn whether anyone believed him or not.
One of the most important things I learned was to advertise but to be subtle about it. I’d been hiding my hard-ons from Mom but these guys were saying to allow her to ‘accidentally or incidentally’ notice it. They said that women are curious and, when they see a large lump in the pants, shorts or underwear of an attractive guy, they’ll sometimes ‘accidentally’ bump into it or walk in on him, when there’s a good chance that what’s causing the lump isn’t covered.
Something else I learned was that a guy who was eager to help his mother often got rewarded when she needed help of a ‘special nature’. I’d paid particularly close attention to that segment. In fact, I re-read it five or six times. At first, I wondered, ’Could it be that easy for me to fuck my mother?’ and then I became certain that, one way or another, I was going to because she needed it and I wasn’t going to wait for someone else to come on the scene. It made sense to me that Aunt Sherry’s encouragement for her to find someone she could trust to do it with should improve the odds of my success. Being in her near desperate situation, she’d be prone to a compromise. I’m her son and having sex with me is incest but she could also see that it’s the perfect solution because I’m certainly not going to tell anyone and if I’m fucking her at home, the risk of discovery of our incestuous relationship is eliminated.
I immediately started being the most helpful son possible. I had a constant hard on that I never hid from her but wasn’t obvious about letting her see it, either.
After nearly three weeks of reading and re-reading, I had a college education in mother/son or sister/brother fucking and a sore dick from so much jerking off. My cousin, Karen, is ten almost eleven but she’s a developing duplicate of Mom. After what I’ve been reading, I’m wondering when puberty will catch up with her. I’d read that most girls start developing when they’re nine, ten or eleven. Karen already has Mom’s bubble butt, well-formed legs and firm, meaty thighs but, at eleven years old, I don’t think she’ll be able to take more than six inches of me.
I smiled to myself as I realized that Aunt Sherry would stop leaving Karen alone with me if she knew what I’m seriously planning on doing to her ... but then, I know about her cheating on Uncle John so, even if she catches me balls deep in Karen, she can’t do any shouting.
Karen always stays with us for the week before the Labor Day weekend while Uncle John and Aunt Sherry go on a cruise. This year, I think she’ll be going home with some new knowledge and experience. (Sproing!! ... My underwear stretcher is acting up again.)
For the next few days, I hung around the house, being handy and helpful to Mom. (Dad, too.) On the fourth day, I was putting a case of canned mixed vegetables up in the cupboard when Mom’s voice caught in mid-word of what she was saying. When I had the case in place on the shelf, I stepped back and looked over at Mom to see why she’d stopped talking. To my surprise, she was looking down at the lump my semi-hard on was making in my shorts.
From my ‘studies’, I’d been pre-conditioned to not let on that I’d noticed her looking at my dick so I reached out and closed the cupboard door before nonchalantly asking, “What else do you need me to do, Mom?”
She stammered, “I ... I guess that’s about everything for now. If there’s anything else, I’ll call you. OK?”
“Sure, Mom.” I gave her a hug and kissed her on the side of her neck at the shoulder, making sure that my hard on made slight contact with her thigh as I moved around her to head out the door. Before I got to the door, I turned back to the fridge to get a can of Orange Crush and Mom was just standing there, looking at me. Her face was flushed. When she looked uneasy, I innocently asked, “Are you alright, Mom?”
After a short pause, she answered, “Yes. I’m alright, Greg. It’s just all the stress catching up with me. I’m not sleeping very well, either, so that compounds it. Your dad’s not complaining but I’m pretty sure that he’s about to have another episode. The last two put him in the hospital for six and nine days. It’s getting worse and all they say is that they’re doing all they can for him.”
“Mom ... I’m here for you. Anything you need or want me to do, just tell me what it is. You know you’re my best girlfriend. I actually stopped looking yesterday because I finally realized there aren’t any girls as good as you.”
That got me a smile. “Oh, Greg. What a nice thing to say. And what time was it, yesterday, when you stopped looking?”
We both started laughing but then I said, “Mom, you’ll always be my best girlfriend and I mean that. No matter what happens, you’re my best girl and best friend for life.”
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