My girlfriend and I had a little space for sometime then we came back together. After we got back, she unconsciously told me she did 3 guys at my absence. About a week ago, I caught her flirting with one of my friend, they both agreed on hook-up. I confronted her and she came up with excuses. I’m still trying to forget about the whole thing when all of a sudden I found out she is talking to one of her EX. I feel so broken 😢😢(though I act like everything is cool but deep down it isn’t), I don’t trust her anymore. Everything she tells me feels like she is lying.