Is It Worth Trying To Deal With It?

Hello everyone. My story is like this, I went with a girl for almost 6 months, we were together all day and I even stayed in them, even if my parents were in the other room, we experienced many things together. But the day of her abioration came. She left me to walk from one neighborhood to another where all her classmates gathered. At one point she went through a car very close and the mother and worried I got upset and told the mother who had great confidence in me not to worry and the mother got angry and told me "You will not tell me what to do and I say ". My girlfriend and I had a fierce fight the next day because I was very offended by how he left me to walk. And before that she hid her friends from me and for which we also quarreled. So I just want you to tell me is it worth trying to deal with it