Is it normal constantly dreaming that person

In the past I've found myself dreaming about a girl which I form friendship with, and later relationship (kinda). After we meet, I go home with her and pack my backpack, get all my saved money, and go to the train station with her. We travel to another city with an airport, so we can go to live in another city, and there the cops begin to chase us. We steal a car and try to escape from them. We go back to my house, and I enter back to get something and when I return the girl is listening to music from her phone and it's like she is in some kind of state because she is ignoring everything. I try to push the pedals and escape with her but the police catches up to us. I fight with them, but the scenario is always skipped in my dream, and then I found her lying on the ground, dead. It gets kinda weird here. I begin to cry and try to revive her with se type of console, like in a game, but after I revive her she doesn't remember anything of me and I wake up sad.

Recently I dreamed that again. The environment was different but the core parts we're the same. I meet her, we form friendship, pack my bag and money, go to train station with her, go to and airport, get chased my the cops, go home with her, she listens to music again and becomes unresponsive, she dies,I cry and try to revive her.

Can someone explain the meaning behind this dream? Today, as of time of writing, I had that dream again. Is that girl a sign that because all my friends went to another city I'm now all alone? What does it mean??