First time poster but long time lurker here seeking advice.

Some background on myself: - recently graduated college - living at home - average stats (height, weight, looks, etc) - just started working in professional field

Recently, I had ended a LTR of about 6 months. We met online and began talking consistently shortly after. She stayed in a in a college ~100km away but was in the city for a work term. Went on a few dates in the city and I began visiting her when she returned to school the following month. I’d spend the night at her place and we’d usually just cuddle and do other low sexual activities (she just came out of an LTR so I respected her decision to withhold sex initially). All this time we’d never actually assigned a label to the relationship.

A few months later, I admitted to her that I was in it for the long haul (still didn’t assign a formal label). Soon after she was willing to have sex for the first time. For the next little while we continued on the same path and my feelings started to grow for her. We texted every day and spoke like best friends. I was half RP at the time so I was wary of showing too much emotions so most conversations were fairly casual (my mistake).

Near the end of the summer, I helped her prep for a conference at my workplace. This was a full week event which would consist of plenty of work/drinking/socializing. I completely trusted her but I was slightly paranoid having known of what goes on at these events. I met her right after the last day and we spoke about what happened. I casually brought up how people might’ve hooked up in the night but she displayed no sign of suspicion.

A few weeks later, she was back at school and she told me that she was going clubbing with friends (she’s very introverted and normally hates this). She said her friend was forcing her to go and she even sent me pics of her outfit for approval. I didn’t want to be a protective beta so I let her go without giving it much further thought.

The next week I saw pictures online of her getting close with another guy in her group. I was initially upset but then I realized that guy must’ve been the “friend” that dragged her and it was nothing more. I sent her the picture to gauge her reaction and she quickly dismissed it and changed the subject. At this point I knew something was up...

A couple of weeks later I arranged to spend a night with her after she’d invited me. We were still talking regularly so I was hoping that my assumptions were wrong.

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Some background on her: - STEM student with above average GPA - Athlete on multiple sports teams - Good relationship with family

Additionally, she only had one serious relationship before me which she told me all about. I felt like I had found the perfect “unicorn”.

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Now fast forward to the last night. We started off by casually talking but I noticed she was more protective of her phone than she usually is when I’m there. To gauge her interest, I escalated into a conversation about our future and hypothetical marriage plans, which she seemed to have no qualms about. We ended off cuddling and going to sleep.

At this point I went through her phone which confirmed all my suspicions to be true and AWALT. She hooked up with a guy from her school that she met at the conference and they continued the relationship at school. In a chat with her other friend, she mentioned how she was torn between the two of us but was leaning more towards me. Also there were a few more orbiters which she started to string along as well.

When I confronted her the following morning she initially tried to deny everything. She admitted to “possibly” making out with the guy while drunk but nothing more. She fully broke down when she found out I knew it all and begged me to stay. She said she only did it because she wasn’t fully over her ex and was afraid to get too attached again. The beta part of me stayed for a bit and complained how I trusted her too much..

Eventually I got up and left stating that we’re done.

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