My girlfriend (28F) wants to “break up” temporarily so she can have sex with men when going out drinking

My girlfriend(28F) and I (29M) have been together for 11 months and things have been really great. We have a great time together and feel a very strong connection. We live together and have talked about marriage and kids.<br><br>I don’t know how much more relationship drama I can take. The last few days have been a hard mentally and I’m considering breaking up with her.<br><br>I’ll get to the point . A few weeks ago she was out with her best friends at a bar drinking and one of her best friend’s brother was there. She said nothing happened that night but one of her friend’s brothers has been pursuing her ever since and flirting with her. <br><br>Initially, she was adamant that nothing would come of it. She insisted she wouldn’t ever act on it and had no interest in this person like that. <br><br>Then she told me she just wanted to be able to go out and not have to worry about cheating. She said it’s like she has a feeling inside of her that she needs to get out. <br><br>Im really fucking done with this shit. I’ve begged and pleaded my girlfriend not to do this. I’ve offered to go with her to the bar, although she has told me that it wouldn’t be fun for me because I don’t drink and she wants to go out to drink and have fun. She has basically accused me of having an insecure obsession with her as well. I don’t know if the cheating has already happened even though she says it hasn’t. Do I just break up with her? <br><br>TLDR : My girlfriend (28F) wants to “break up” temporarily so she can have sex with men when going out drinking