Fulfilling My Mother in Law's Fantasy

I have a very big cock. I say that not to brag, but to let you know the facts. I used to wish it was normal, about six inches long, and not nine and a half, like it is. That is, until I fucked my mother in law. Let me back up, and set the stage.
My wife and I were raised in very strict religious homes. I now consider it a cult, but growing up it all seemed so normal. Maybe you’ve heard of them, even though they have no name. We didn’t go to church, we went to meeting. We didn’t have ministers, we had workers. We met in homes, and sometimes rented school gyms. Every year we would have Conventions, which lasted from Wednesday to Sunday. Like I say, it was very strict, and Susan, my wife,was pretty much chosen by my parents. Her parents had a lot do do with it too.
Our wedding night was a disaster. We were both virgins, and it was awkward and clumsy. I had no idea that a nine and a half inch cock was too big to fit in Susan’s tight pussy, so I tried to shove the whole thing in at once. “Stop!!! You’re hurting me!!” she yelled. I proceeded to ease back, and only give her about 2 inches. She loved it, but I wasn’t really getting off. About 2 minutes later, she began moaning really loud, and bucking her hips. I pumped her as fast as I could with the two inches of cock I was feeding her, and I felt her pussy spasm on my dick. “Oh, Brian!!” she squealed. I leaned back a little to watch my cock go in and out, and hit a little nub up in her pussy. She jumped like a bolt of electricity hit her and moaned even louder, like it hurt. “Sorry,” I said. “No. I like it!” she said. “Do it again!” I found the nub and stroked it with my cock. This time, when she came, I felt a little squrt of pussy juice drip out of her pussy, which had gotten very slick. I tried to feed more of my cock into her, but she stopped me. “”Stop it Brian, that hurts!” I was just about to come, so I tried to pump really fast. “Stop it, you’re ripping me apart!!”: Susan screamed. and pushed me off of her and ran to the bathroom. She came out 5 minutes later, with her pajamas on. I was going crazy, getting that close to having an orgasm and stopping. “Will you help me finish?” I asked, and stood up so she could se my hard cock. “What!!??” she asked, kind of pissed off. “Well, you had two orgasms, I believe, and I would like one too!” I said, a little peeved myself. “Come here!” she said and grabbed a towel. She jacked me off into the towel, but she wasn’t really into it. She had turned on the T.V. (we never had one growin up..another religious thing, so the T.V in the hotel room was fascinating) and was paying attention to that, so it took me a while to come. When I did, a little bit got onto her leg, and she freaked. “OOOOHH, GROSS!!!!” she wiped it off with the towel, and made a face, “It stinks!” she said. Our sex life would go downhill fast. After about 6 months, we were having sex about 2 or 3 times a month, not nearly enough.
This is where it gets good. We went to Convention with her parents, Ruth and Steve. One morning, in the showers, I saw Steve, staring at my cock. Now, I’m used to guys staring, but he was really getting a good look. I glance at his, and found out why. It was tiny, a little stubby thing, with small balls. I wondered if Ruth had ever wanted a big cock, and thought about fucking her. I knew it would never happen, but I thought about it anyway. Ruth was not bad, for a 51 year old woman. She had long blonde hair, just a few twinges of grey, and a pretty nice figure, small b cup tits, a little chubbyness, and a nice plump ass. That Thanksgiving, a chance happening occured that opened the door for me to fuck her.
We went to Susan’s grandmas’ house for Thanksgiving, and it’s about 2 hours away. We pulled in right before her parents got there. I had to take a piss, and the upstairs bathroom was occupied. I went down to the basment, where the door doesn’t lock. About halfway through my piss, the door flew open. It was Ruth. “Oops, Brian I didn’t know….”her voice trailed off as she saw my cock. Her hand covered her mouth, and her eyes got wide as they flickered back and forth between my eyes and my cock. “Wow, Brian, that is really something!” she stood in the doorway without making an effort to leave. She glanced back out into the basement, I think to make sure nobody was coming. “Please hurry, I have to go bad!” she said, looking at my cock. “I’m almost done.” I said, and finished my piss, and shook my cock off. I could not believe my good fortune that allowed her to see my cock. I zipped up and joined to party, and Ruth came out a few minutes later.
Nothing was said, until Christmas. Steve and Susan went shopping together, and Ruth told me to come over for lunch. She answered the door in a robe. “Uhm, what’s going on?” I asked. She dropped the robe to the floor, and said, “You are going to show me what it’s like to feel a big cock!!” I looked her over. Her tits sagged, and she had a very hairy pussy. She told me that a long time ago she saw part of a “stag movie” and watched a man ejacualte all over a woman’s face, and ever since then, she had the fantasy of a big cock creaming on her face. The next thing I knew she was sucking my cock. I was naked in no time, and put her on her back and spread her legs. Her pussy tasted saltier than Susan’s, but certainly not bad. A few minutes later she was coming. I was surprised by a huge gush of fluid that shot out of her pussy, but her grip was strong as she held my head and bucked her hips. A second, slightly less powerful gush squrted out, and it was very sweet. “Okay, baby..give me that cock!” I was able to easliy shove my whole cock up her pussy, and gave her 2 more orgasms before I felt mine. “Come on my face, Brian!” she squealeed, so I did. About 6 long thick spurts hit her face and tits, and she loved it. She went and looked in the mirror. “Wow, you sure do shoot a lot of sperm!” she said. We got cleaned up, and she pulled out her day planner. “Meet me next Saturday qat 9:00 am sharp she said……..to be continued