My Secret Nighttime Fantasies During Our Relationship Were All About Someone Else

It's been almost a month since I ended things with Sarah, and the guilt is still gnawing at me. We dated for six years, and she was always there for me through thick and thin. But as much as I loved her, there was this other person who kept creeping into my thoughts. Every night, I found myself fantasizing about someone else. It all started last winter when we went on a ski trip together. We were staying in this cozy cabin by the mountains, and the fireplace crackled warmly while it snowed outside. It was supposed to be romantic, but instead of feeling close to Sarah, I couldn't stop thinking about her ski instructor, Mark. I watched him from afar, his strong build and effortless skill on the slopes were captivating. That night in bed with Sarah, images kept flashing through my head: Mark in his tight fitting jacket, helping me up after a fall. His hands steady and sure as he fixed my bindings. It started innocently enough. I would just imagine him teaching me something new or offering tips. But over time, those fantasies grew darker and more explicit. I kept it hidden from Sarah, pretending to be asleep when she came in at night, unable to shake these thoughts of Mark out of my head. In reality, there was no chance of anything ever happening between us. He knew about me and Sarah and would never do something like that. But that didn't stop the nightly escape into my imagination. It felt wrong but oddly satisfying somehow. Eventually though, I couldn't ignore how much I was lying to myself and to her. These fantasies were eating away at me, and when spring came around, I knew it was time to end things with Sarah for good. Telling her over breakfast that day still haunts my memory, I can hear the crunch of toast between her teeth as she tried not to cry. The irony is bitter now, after breaking up with Sarah because of these fantasies, every night feels empty and lonely without anyone else in it at all. I wonder if any part of me ever truly loved Mark or whether he was just a convenient escape from reality. So here’s the confession: six years with one person, and my heart wasn’t entirely mine to give.