<human>: Can you summarize the given text in a few sentences?

So, recently my gf has been acting weird lately. Recently she cheated on me with another guy, and I found out. I basically walked out on her, never to see her again, but she came back to me, and said "When you walked out on me, I felt a huge piece of my life just walking out the door...". So she apologized for everything, we talked, she was truely sorry for what she did, and I gave her another chance. We agreed to work things out and figure things out between us. Now, she says she feels like she's missing something in her life; doesn't know what it is, but doesn't know if she wants to break up with me or not. I want to stay with her, but she's up in the air. She says she doesn't really feel it between us anymore, but I'm trying to convince her to stay... Please Help Reddit
<bot>: gf cheated on me, I walk out, she comes back, i give her another chance, now she feels like she's missing something