Could anyone interpret this dream?

I had a dream that the town where I live was very small and there was only few people living there. As I was walking down the street, I saw a girl ( a really pretty one at that) and she looked at me in the eyes and gave a little smile.

I couldn't stop thinking about her, then my girlfriend in the reality was in the dream except in the dream, she was just my friend.She gave me all the details about this girl who was called 'Ruth Harding'.

I couldn't stop thinking about her and the next day she was in the school.

She was really beautiful, she didn't try hard to make herself look that way either.

Then while I was on the staircase she came over and sat next to me, we started talking and then we found we had a lot in common.

Then the popular kids came and took her away, so we had a secret sort of relationship seeing as I was quite unpopular.

Someone found out and the secret was out across the whole school, but she decided she would rather be with me then be popular. Then we shared a long,slow kiss.

What does this mean???

Will i see this girl in real life????

Why wasn't my real girlfriend the one I kissed in the dream???

Please help