This occurred over 7 years ago. I was 25 at the time, she was 23. We were together for close to 2 years. I was infatuated at first. Over time, we learned about each other's pasts. We both had compatible sex drives and found out the 2 of us had plenty of fun before we met.

Now, after meeting, I discovered she cheated multiple times on her ex boyfriend. I understood at the time and didn't think it would happen to me.

Anyways, the longer we were together, the more red flags I found. I tried to keep her happy and even discussed opening our relationship up to include others in the bedroom, though I was cautious because I didn't think she had the maturity to handle it. She rejected my idea immediately yet complained I didn't have sex enough.

Shortly after this, our relationship deteriorated to the point that I knew I needed to end it. But I had a sneaking suspicion she was cheating. Luckily I found out she was using an app to talk to and meet guys. So I joined and started talking to her. I got her to admit to cheating multiple times and she agreed to meet up with me. Mind you, she had no idea I was her BF. Anyways, we met up and the face she gave me was priceless.

I do believe, once a cheater, always a cheater.