My wife's cousin is 25 years old, Native American, with a big round ass. She's a little soft around the midsection, a little chubby, but not fat by any means. She isn't pretty; she isn't even cute, but there is something carnal about her—Sexy in the sexiest way possible.

Maybe it's because she's forbidden—Who knows—But every time she's around, I want to take her out back and bend her over the side of the swimming pool. There's something about having sex outside (specifically with her), our bare feet in the grass as I fap in her wet pussy, that drives me absolutely nuts.

I've never had sex with her. We've never done anything remotely sexual; however, she's been staying over quite a bit recently since she just broke up with her boyfriend, and she wears these skimpy, silky nighties that leave little to the imagination.

The shorts are a little big in the legs, which lets me see up inside them when she sits on the couch with her knees up, but they're tight enough in the ass that she's constantly walking around with silk up her ass.

I can't get enough of her.

Sometimes we flirt, and I think it's fairly obvious, but we never do anything that crosses any lines.

Well...two weekends ago (last Saturday night), my wife had gone to bed, while her cousin and I stayed out back having beers and chatting. As the night went on, our chat (obviously) turned to the subject of sex, and she got it out of me that my wife and I hadn't had sex for going on a week.

I personally prefer masturbation over sex a lot of the time, because I love looking at porn and imagining things exactly like I'd like them to happen.

I told her this, and she asked me when was the last time I had jacked off.

I admitted it had been three or four days (which is quite a long time for me), and her eyes lit up.

She told me she dared me to make it to the following weekend.

I asked her why, and told her my wife would probably wonder what was up if I put off having sex with her for a whole extra week.

"I dare you," she said. I thought she looked devilish in the moonlight.

I ended up walking across the porch to where she was sitting and plopping down right beside her on the outdoor sofa. Her legs looked so smooth as her silky shorts rode up on her legs and left me the sight of her smooth inner thighs.

"How often do you have to shave your legs?" I asked, wanting to draw attention to her sexier parts without being blatant.

"Why?" She giggled and turned her knees toward me on the sofa.

"Your legs look smooth," I said. (We had had enough to drink that this was an easy transition.)

"Wanna feel?" She asked, her eyes glittering, daring me.

"Well, yeah..." I said.

She spread her legs apart, the bottoms of her feet pressed together, so that I had full access to her smooth inner thighs and groin area. (I could see the shape of her pussy through her thin nighties.) "If I don't shave, it's like a jungle down there," she laughed.

I ran my fingers along her smooth skin, from just above her right knee, down over her inner thigh, to the crease of her groin. I played with that area a bit, careful not to press it too far. (I knew she would be up for anything, but I was the married one.)

"That feels nice," she said.

I wanted to ask her to jack me off in the grass.

"If you can make it till next weekend," she said, "I'll suck you off."

"Jesus Christ," I said. I was fairly tipsy, but I wasn't numb. My heart began to thud, and I felt truly alive for the first time in a long time.

"I love me some nut," she said, smiling.

I eyed her pouty lips and imagined spraying off inside her warm mouth.

"I've heard it's good protein," I said, lamely.

"I love protein," she said.

I wanted to do so many things. My mind raced with all the things I could do with her that wouldn't necessarily be considered "cheating". (I mean, I had already caressed her thigh.)

I thought of putting my hand up under her shirt and playing with her titties.

I thought of leaning over and nibbling on her ear until she started to make out with me.

I even considered taking her by the hand and leading her out into the dark yard where I could pull her nighties down and catch a sniff of her ass like I'd wanted to for so long (I'd been hoping for the longest time that she'd leave some used panties in the bathroom when she stayed over). But I knew that would lead to fucking.

We drank more beer, I tickled her inner thighs some more, until we were both tired and it was obvious nothing more was going to happen.

She told me she was going in to rub one out before bed, and I told her I was going to do the same.

"Nuh uh," she said. "You have to wait till next weekend."

Fuck.

I waited till next weekend.

Two days ago was Saturday night, exactly seven days from the night my wife's cousin and I drank together on the back porch, and 11 days since I'd last ejaculated.

It took everything in me to keep from cumming throughout the week—I could have cheated, but I wanted her mouth so bad, I knew it would be worth the wait.

On Saturday, we were out on the back porch again. The sun was still up. My wife went in the house to take a shower, and her cousin looked at me with that old devilish grin.

"Did you make it?" She asked.

"Yes," I said, the weight of my nuts tugging them downward. They ached, and not just a little.

"Come on," she said, running down off the porch and into the grass of the back yard.

I had been planning on another night like the week before, hoping we would maybe actually fuck—Such was my horniness, but I couldn't wait.

I jogged down after her as she ran around the side of the house and into the side yard.

"You get me off and I'll get you off," she said.

Heart pounding in my chest, I ripped her shorts off her ass, down over her smooth thighs, and off over her shoes.

As she lay on her back in the dirt, I took her behind her knees and pressed them up into her chest, leaving for myself the deep crevasse of her ass and her fat, weeping pussy.

I stole a nice whiff of her stinky crack before eating her pussy and ass. (Her scent had me rock hard and already on the verge of cumming.)

After she came (without pulling up her pants), she pulled down my pants and began to suck on my cock like it was a straw in a triple thick milkshake.

She fondled my sore balls, and it didn't take long before I felt the heat of orgasm welling up within me.

"Oh fuck," I said.

She looked up at me with her needy doe eyes.

She blinked in surprise, grunted, and gulped as my first burst sprayed the back of her throat before she had expected it.

She swallowed.

The bursts continued to come in spurts between her lips, over her warm sucking tongue and down her throat, as she enthusiastically drank down the full 11 days of my nut.

Her eyes were watering by the time I finished, and she actually slurped up the remains from the head of my cock before giving it a nice firm kiss with those pouty lips.

"The next time you can make it ten days again," she said..."Let me know."

My balls had never felt lighter in my life.