I can't believe I did that.

Okay, so I need to get this off my chest. I feel like it's eating me alive. It's about something I did a long time ago, and I still think about it, like, every single day. I was… such a jerk.

It was when I was in college. I was dating this guy, Mark. He was… well, he was really into me. Maybe too into me, if I'm honest. He was always doing nice things, buying me flowers, writing me poems (cringe, I know, but at the time I pretended to like it). He was just… a genuinely good guy. And I was… not.

There was this other guy in my history class, Liam. Liam was everything Mark wasn't. He was edgy, sarcastic, kind of a bad boy. And I was stupidly, head-over-heels infatuated with him. I told myself it was just a crush, but it wasn't.

One night, after a party, Liam walked me back to my dorm. We were laughing, and I felt… alive, I guess. And then, he kissed me. And I kissed him back. It was stupid. It was selfish. It was wrong.

And I didn't tell Mark. I just… kept seeing Liam behind his back. I know, I know, I'm the worst. It went on for a few weeks. Sneaking around, lying to Mark's face. I remember the guilt eating at me, but I was too caught up in the excitement of it all to stop.

Eventually, Liam dumped me. Just like that. Said he wasn't looking for anything serious. I was crushed. But you know what? I deserved it. Karma, right?

I broke up with Mark a few weeks later. I didn't tell him the real reason why. I just said I wasn't feeling it anymore. I was too ashamed to admit the truth. He was heartbroken, and I knew I was the reason. I just… I couldn't face him.

It's been years, and I still think about Mark. I wonder where he is, if he's happy. I hope he found someone who appreciates him the way he deserves. And I hope he never finds out what I did. Because I honestly don't think I could handle the look on his face.

I'm a better person now, I think. I learned my lesson. But the guilt… it never really goes away. I just wanted to confess. To someone, anyone. Maybe putting it out there will help me finally move on, even just a little bit. Thanks for listening.