My partner and I have been in an open relationship since we started dating. This is our first experience with non-monogamy. We've established boundaries and agreements regarding who we can be intimate with. Our understanding is that our sexual encounters should remain separate from our social circles and networks, including friends, coworkers, and acquaintances.

We both work in the TV industry and met on set. When she went away to work on a major production, I made it clear that I wasn't comfortable with her being intimate with any crew members. She agreed to this boundary, as she would feel the same way.

Towards the end of the shoot, one night at the crew hotel, she got drunk with some colleagues and engaged in flirtatious behavior. One of the guys offered to show her the way to the bathroom, but it turned out to be his room, and she went in and slept with him. She said she consented and found the experience exciting.

I feel deeply betrayed and violated by her actions. We've had minor boundary violations in the past, but we were able to resolve them because we were new to this arrangement. However, this incident has completely shattered my trust.

I visited the set as an extra and met with the crew (not the guy she slept with). We created genuine memories together, but this incident has ruined those experiences. To make matters worse, I found out about it the day before my birthday, which I was going to the productions wrap party before a romantic getaway, which was also shattered by this.

This is unrelated to our non-monogamous agreement, but she also violated a major boundary with an ex-boyfriend at the beginning of our relationship, which contributed to my trust issues.

She is truly sorry, gone to therapy and is trying to make amends but I’m struggling to heal from it.

She is truly the love of my life, but I haven't been myself since this happened. I can't seem to let it go. I keep replaying the scene in my mind, wondering why she didn't consider my feelings.

I'm hoping to get different perspectives that might help me see things from a different angle."