My girlfriend wants a break because of another guy. What should I do?

Tm89williams
My girlfriend and I have been together for 3+ years. I thought things where fine until just recently. About a week ago my girlfriend and I went on a break. She said she just wanted to go out and have some fun. But I found out last night she has feelings for another guy. She just met this guy at a party about a week and a half ago. She said she loves me and I don't have anything to worry about but she went to his apartment. They have kissed, I asked if she felt anything by it. She said not like when she kisses me, which still means yes. Then I find out he asked her to stay, so they didn't have to drive all the way back to drop her off (he lives 2 hours away from her). Anyone can see the true reason he wanted her to stay. Well this morning we started talking on the phone, Oddly she "forgot" she had to go into work at 2. I said I have been doing a lot of thinking, she asks if this is how our relationship is going to end. Huh?!?! She wanted this break, she is going to another guy's apartment, yet she asks me if this is how it is going to end. I don't understand...I told her how I truly feel, she tells me she will call me after she is done eating. She never did, she is currently at work. It seems like she is trying to avoid this conversation. I am so confused, I don't know what to do. I really love this girl and I don't want to loss her. But I also don't want to be her safety net, just in case. Can anyone help please? If you need any more information just let me know.
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+1 y
Well, I did it. I am no longer her safety net. She tried saying that it wasn't about this other guy, but I wasn't going to hear any of it. She got mad at me, yelled and then hung up. Thank you all for your help, this is probably for the best.
My girlfriend wants a break because of another guy. What should I do?
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