This past weekend I went out of town with family to the countryside without the LTR. While traveling, the LTR (of 1 year) told me her plans over the weekend consisted of visiting a friend's grad party then going home early Friday night, then doing random chores and errands the rest of the weekend. Later that night, she texts me and says she's not going to the grad party after all.
The next morning when I'm checking my social media, I see posts from mutual friends about a big Halloween party. Surprise, she's attending... She's not wearing anything slutty, but she does have her "on point" makeup done. Basically, just videos where she looks like she's having a good time, nothing alarming except for the fact she didn't tell me she was going to a huge Halloween party. We always tell each other about these kinds of things.
So I see her Sunday at my place when I get back into town and she's excited to see me, but can sense I'm weirded out about something. Just to see if she's being forthright, I ask her about her weekend. After a pregnant pause, she tells me and leaves out any mention of the party. At this point, I know something is obviously up. She starts acting a bit pensive now. I leave to take care of some errands and return later.
She returns to my place after finishing her errands, and wants to know "why I'm acting weird". I ask her if there is anything that happened this weekend she hasnt told me about. She looks deep into my eyes without changing her expression and says, "Of course not, I mainly just did chores this weekend." I then tell her that I know about the party. She reacts defensively and indignantly asks why I'm mad. Keep in mind, my tone and mannerisms have been calm this entire time. I respond by simply asking why she's lying.
She breaks down, cries and swears she "just forgot" to tell me and that her phone was left at her place the entire night or she would have texted. She swears that it was her roommate and other girl friends who dragged her out to the party when she was already in bed. She also says she was going to tell me because of this totally weird/cool thing that happened at the party.
After going back and forth with this wailing woman for a while, I ask to see her phone to check if her story adds up.
She is enthusiastic about going with her friends to the party in her messages, and initiates attending. Her friends never dragged her anywhere. At this point I'm done with her and just want to rest after a very long weekend.
(A note about this group of friends: obnoxious mid 20 y.olds who I detest, all of which are single. They're sluts by any definition of the term. They're not her main group of friends, but she does hang with them from time to time and one of them is her roommate. They have a "wine night" every now and then.)
Long story short, I broke up with her Sunday night but she still stayed over insisting we're not breaking up.
I also contacted a man I deem trustworthy who was at the party and he told me she wasn't being unfaithful or disrespectful, for what it is worth.
So guys, am I overreacting? Why would she lie multiple times in a row?
Side note, she had just finished her period by that Friday.
I'd like to hear your thoughts.
Update: Just found out that one of the girls she went with had sex at the party.