Quick info: I'm 26, she's 25. Been dating for 8 months, we get along great other than this. We're highly compatible and communicate very well. I know how I want to the handle this shit, but I needed to vent Cliffs are in bold We took a trip to Atlantic City with her mother and father. After a 4 hour ride in the car, we get to our hotel when her father just leaves us in the lobby to go to the room after we checked in. This furiates my GF because the 3 of us were left to carry all the bags up to the room from the parking garage. I didn't complain and took most of the bags up, it didn't bother me at all. The whole time walking back to the hotel room, she's cursing and bitching up a shit storm to her mother because of her father ditching us. While this is going on, I'm trying to calm her down as was her mother. This went on for 15-20 minutes. We get back to the room and it turns out her father had to take his insulin injection and wasn't feeling well. She calms down somewhat but doesn't apologize for how she was acting. I let it go. FF to later on, she's at the slots and I need to call my grandparents. I tell her this and walk towards the front doors as I pull out a pack of cigs and start packing them. Just as I approach the front lobby, she comes up to me and starts getting real nasty. I told her (I didnt promise) that I would quit smoking the night before so I could see her being upset that I was smoking, just not THAT upset. She often says the same thing and starts back up again so I didn't understand why she was throwing a fit. I threw the cigs in the garbage can next to us and told her to drop it already. She refused to move from where she was standing until I went into the garbage can and got them out. I told her to keep fucking dreaming and we could stand there like idiots the whole rest of the day, I didn't care. She's continuing her raging and bitching for a few minutes until I walked up and got them from the garbage can and then I ditched her for an hour. I couldn't take her shit anymore. I was starting to feel an anxiety attack coming on and I've only had 1 before that incident, ever. Later on she gets plastered and apologized to me several times in the car as we headed over to another casino. I wasn't happy with her and kept my distance from her. She apologized again later on after having a panic episode in the casino we were at. We had a long talk later on in the night in our hotel room about what had happened. Basically I told her she acted like childish brat and she needs to learn how to control herself. Also, there was no excuse for acting like that. I let it be known that she was disrespectful towards not only me but her parents as well and that she should sincerely apologize to them. She agreed and did so. Last night we talked about what happened that day after having sex. She was afraid that I was going to leave her because of all this, I told her she had no reason to worry but in the past few days I was seriously considering it. I dont know how to handle her fits when she gets like this, it's very difficult to get through to her and calm her down. It only happens when she is PMS'ing and we get along fine any other time of the month, seriously. The mood swings and fits are getting out of hand, I'm getting tired of dealing with this shit at the end of every month. She ruined our vacation, put me and her family in a bad mood for the rest of the 2 short days were away. I love this woman, but this shit is getting old. I don't want to end things with her, but I will if she keeps this shit up and she knows this. We made up and are back to normal, but it's made me re-evaluate my relationship with this woman and I could see this being a problem later on down the road. I made it clear that if this happens again, I'm gone.