When my mom was 15, she got pregnant with me. I never really knew my dad much, just that he was a guy that she had a thing with in high school. This made me the "man of the house" from a very young age.
My senior year in high school, I could tell that my mom was starting to worry about the changes coming to our lives, as the natural thing is to move away to college. I was worried about leaving her alone, because she had focused on raising me for so long that I worried about her trying to adapt to life in an empty home again. Ever since I had turned 18 in the fall, she seemed to be more worried about the prospect of me leaving.
She didn't date very often that I could remember. Sometimes people would set her up on dates, but none of them could handle being second fiddle to her "little man" back home. So it was just the two of us most of the time.
The apartment complex we lived at had a community pool. Even though it was the middle of winter, me and my mom liked to use the pool every Saturday to have some fun and stay fit. Luckily the pool was connected to our building so we didn't have to go outside at all on our way, a luxury since it was freezing outside.
We always just wore our suits over, since it was more comfortable to change in our own apartment in privacy instead of having to change in front of other people. I walked through the locker room and met my mom back on the other side. I watched as she walked up to the edge and dove in, then surfaced and looked back at me. "The water's fine, Jimmy!"
I wasn't nearly as good of a swimmer as she was, and couldn't really dive in. This had lately made me realize that I got an added bonus, when I got to watch the view of my mom's great ass headed into the pool as she jumped. I had yet to see a girl who had a nicer ass than my mom, which was a very strange feeling to have, but after a while I just came to terms with it, and admitted that I really loved her ass.
I waded into the pool and started swimming some laps. My mom did likewise. It always confused me that she was a much better swimmer than me. I guess I got my swimming skills from dad, because I definitely wasn't as good as she was. Seeing her pink bikini fly by me always gave me mixed emotions. Lately I had become determined to become a better swimmer and keep up with her, and was only having limited success.
We were the only ones in the pool this time, and after we were done, she decided to get a little mischievous and started a splash war with me. I fought back as hard as I could, but if there had been a referee he would have given the match to her as she was able to deftly move away from my waves.
After a while, we both got tired and went and sat in the hot tub. She asked what my plans were for the weekend, but I didn't have anything going on. "No pretty girls have scooped you up as their trophy for a party?"
Embarrassed by this, I started to blush and said "No mom, I don't get invited to parties. And I'm already spending the night with a pretty girl."
"You're too nice Jimmy. Those girls don't know what they're missing. You could go far giving out compliments like that."
After some idle chit chat, we decided we had hit our limit and started to make our way back to the apartment. I had forgotten to grab our towels before we came though, so we had to walk back dripping wet. Even though it was indoors, the hallways weren't heated so it was still chilly, so we ran back to the room. Our apartment was nice and toasty though.
Mom went to the closet door where we kept our towels and walked in. It was a pretty good size closet, and you could even consider it a walk in, though you wouldn't be taking more than a couple of steps once you were inside. I walked up behind her, and as I was reaching over her shoulder to grab a towel, my feet slipped on a puddle that she must have left under her. I fell forward into her, totally losing my balance and falling towards the ground with her under me.
The next thing I knew, I was laying on top of my mom and the closet door was shut behind us. I didn't remember how it happened, but I must have kicked it on my way down and knocked it shut.
Mom was annoyed at this and said "Jesus Jimmy, what happened?"
"I don't know, I slipped on some water. Are you okay?"
"Yeah, I'm fine, somehow you didn't manage to squish me to death. Can you get off of me though?"
"Oh, uh, yeah, no problem." I had been so worried about her condition that I had forgotten to pick myself up. I started to lift myself up when my hand slipped on another puddle and I crashed down on top of her again.
"If I didn't know better, I'd think you were enjoying this."
I hadn't been, but now that she mentioned it I did notice that we were basically spooning and my crotch was rubbing up against her ass, and it felt wonderful. Realizing this I started to feel blood rushing to the area, and I quickly redoubled my efforts to get off of her. This time my hand found purchase and I was able to stand up. I reached down my hand to my mom, and pulled helped pull her to her feet. I walked to the door and pushed on it, but it wouldn't budge.
"Here, let me try it." As she said that, she pushed past me, and I realized that I liked the feeling of her skin. It was a tight fit, and we had to be in close quarters as she went by. I turned with my front to her as she went by, and realized too late that I had a boner. I felt her ass rub up against my cock as she slowly slid by. The feeling was amazing, and if I couldn't control it before, there was no stopping my hardening dick now. The thin barriers of her bikini and my swim shorts did little to hide what was happening to me. I didn't want this moment to end, but I was mortified of what she would think.
She finally slid by and I stepped back to give her room, and she seemed like she didn't notice. She looked at the door and tried to push it open, but she also couldn't get it to work. "Well, looks like we're stuck. I don't even have a cell phone. We're gonna have to figure something out."
I tried to think, but my brain was only 25% working on the problem of the door. The rest of my brain was captivated by my mother in her pink bikini, and how badly I wanted to rub up against her again. My brain proved efficient at working these scenarios into my favor. "Let me see if I can get it."
I put my hands on her hips as we started to shuffle by each other again. I couldn't believe I was doing this, but my cock had seemingly taken over my body and was now in the drivers seat.
I was sure I was imagining it, but it seemed like this time as she slid by me, she pushed her ass back into me, rubbing even more closely against my cock as we tortuously slid along one another. She got by, and we broke contact as she went behind me again.
I was getting really worked up by this, and couldn't believe my mom was turning me on this much. I wasn't sure if it was better to tell myself that this was my mom, or to pretend that it wasn't. I tried harder on the door, but a big part of me really didn't want this door to open just yet.