Losing Myself (Part 5 of Series) - Cover

Losing Myself (Part 5 of Series)

Copyright© 2026 by BethanyBelow

Chapter 8: Delivering an Ultimatum

True Story Sex Story: Chapter 8: Delivering an Ultimatum - The 5th in my Infidelity series about how I cheated on my BF, got involved with with the guy I cheated with for 6.5 months and what started as a mistake, became an affair and then slowly turned into my loss of self and degradation. This 5th story takes place about a month after I first cheated in what was the "happy time" but I was already seeing the control and training taking place. Be sure to read the previous stories for this to make sense.

Caution: This True Story Sex Story contains strong sexual content, including Ma/Fa   Coercion   Consensual   Reluctant   Heterosexual   True Story   Cheating   MaleDom   Humiliation   Rough   Spanking   Analingus   Cream Pie   Exhibitionism   Masturbation   Oral Sex   Sex Toys   Spitting   Squirting   Water Sports   Public Sex  

I was dreaming of Mike; we were out on a date, walking along Stinson Beach, looking out over the ocean and at a beautiful sunset while Mike’s arms enveloped me from behind, my hands intertwined with his, and my head tilted back into the crook of his neck. I felt totally relaxed and at peace while he held me, and I basked in his love.

While we stood there watching the last rays of sunlight hit the water, Mike leaned over, pulled out one of my breasts, and began sucking on it. He was rough, much rougher than he ever had been before, using his teeth while his other hand mauled the nipple on my other breast.

My eyes shot open, and it took only moments for me to realize I was in my bed and it was just a dream. I looked over and saw Tyler sleeping. He was on his stomach, one arm thrown across the mattress, face turned toward my pillow, breathing slowly and unbothered. Mike’s borrowed shirt from yesterday was not on him. The marks I had left were duller in this light. He looked like a man who had spent a weekend taking what he wanted, then decided sleep was his too.

I lay there, staring at the ceiling, and felt the dream still clinging to the inside of my skin: Mike’s voice, and his mouth on my breast.

I looked again at Tyler, and for the first time since he walked in the door Friday evening, I had a moment to myself. I just listened to him breathe for a few moments, wondering how this man had taken over such a huge part of my life so suddenly.

I rose slowly so I wouldn’t wake him and quietly slid off the bed, walking to Amber’s bathroom to shower so the running water wouldn’t wake him.

I got in the shower to wash and, more importantly, to think.

The hot water hit the collection he had left on me. Small bruises, love bites, a rug burn on one knee from the living room floor, faint fingerprints on my hips. I cataloged them the way I had after the first night, except this time I was trying to attach meaning to them instead of just damage. I needed to sort the weekend. I needed one unlocked room and ten uninterrupted minutes.

The sliding glass door opened, and Tyler got in behind me.

Of course he did.

I felt him immediately, hard again, sliding between my soapy ass cheeks.

“Have you not had enough?” I asked, and heard how unconvincing I sounded. “I don’t understand how you can keep going. I have never had a man recover that fast, that often, who never seems satiated. Are you powered by spite? Batteries? A deal with a minor demon who takes payment in women’s dirty laundry?”

While I said it, my body betrayed the speech. I pushed back and ground along his cock, wet and slick, telling him with my hips that I wanted more even as my mouth tried to file a complaint.

He laughed.

“That’s the benefit of modern medical science. It gives me everything I need to keep up with you.”

I turned my head. Concern cut through the heat. He kept moving against me, sliding, not in yet.

“That sounds dangerous. Those blue pills are not meant to be taken constantly, if that’s what you’re talking about. You have not stopped since dinner on Friday.”

“Don’t worry, my lovely goddess. It’s not all the pills. There are some other supplements. But it’s mostly you. You’re what makes me feel this way. I don’t know when I’ll get another chance to be with you like this, and I don’t want to waste a second.”

He had a talent for taking a real concern and wrapping it in something that felt like a compliment. I opened my mouth to push again.

He pushed into me instead, all the way, and the objection melted on a low groan.

He lifted one of my legs for a deeper angle. I braced a hand on the wall so I would not slip. He started with those long strokes and then picked up speed until he was powering into me, hard and relentless, water slapping between us.

“Oh fuck, Tyler, that feels so good.” My voice broke. “You’re doing it again. You’re going to make me cum.” I could hear myself begging, and I couldn’t stop. “I need to cum. Please don’t stop. Please. Please let me cum.”

My head swiveled so I could look back at him, and my eyes hunted his through the steam, automatic now, scared he would hold me there.

“That’s right, you gorgeous slut. You’re going to cum all over my cock again and again and again. You’re mine.” He paused, looking at me. “You can cum, whore.”

The permission did it; the name intensified it.

I crashed into an explosive orgasm, screaming I was his whore against the tile, shaking so hard he had to hold me up. When it passed, I laughed weakly and swore at him in the same breath, which seemed about right.

There wasn’t much to clean up after that. The water had taken most of it. I still went to my knees and wrapped my mouth around him. He looked down at me, touched my cheek, and told me I was a good girl. I stayed there and let the praise land, basking in it, confused by how much I needed it and how warm it made my chest.

After he got out, I stayed under the spray a little longer and tried, again, to think.

Mike.

Condoms.

The fact that we had not used one- not Friday, not in the shower, or the laundry room, the hallway, my bed, not on the floor, nor the couch, or in the kitchen with Mike’s voice still echoing in the room. The fear wasn’t abstract; I didn’t want anything from Tyler that I could then pass on to Mike. The logistics of secret testing already lived in my head from the first week. The idea of going back to Mike after this weekend and taking him bare, potentially carrying something with me, made my stomach twist.

If Tyler agreed to condoms, this ... whatever this was ... that we were doing got a green light: a structure, a future measured in weeknights and excuses. What I didn’t know was whether I could stop myself from falling all the way in love with him if we kept going. The admission in the mirror Friday night hadn’t been a “mood.” It had been a reality I was still trying to talk out of existence.

If he said no, well then I hoped I would have the strength to end it. To use the refusal as a door that I could close, to try to become again the woman who only loved Mike.

I argued both sides in the steam like a person cross-examining herself.

 
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