I just saw videos of my fiance cheating at her bachelorette party and I don't know what to do.

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I'm a 33 year old male and I just saw videos of my 29 year old fiance cheating at her bachelorette party.

I cannot believe I'm involved in a story like this.

I haven't actually talked to anyone about what happened even though a lot of people are trying to.

I think I just need to vent a little before I talk to anyone.

My girlfriend and I were together for four years and we were engaged to be married.

Last weekend she had her bachelorette party and I didn't have a problem with it,

especially after she told me what was the plan.

Her and her friends were going to rent an Airbnb or something.

A big place with like four bedrooms and they were just going to get trashed and party and hang out.

The day of the party she was in my place, a two bedroom apartment, one room I use as a home office

and I am a self-employed investor.

She makes all the arrangements and goes to me with her friends.

We texted a little but as the party warmed up we stopped and I figured they were just having fun.

After midnight I started getting ready for bed and noticed that the computer in my office

isn't turned off.

Rather the black screen was just a screensaver.

It turns out my fiance had not logged out and her messenger was still open on the computer.

There was a group chat where her and her girlfriends had been planning everything.

And a lot of videos were uploaded to that chat.

I was a little curious so I started watching some of the videos.

...