Marriage dream about long distance boyfriend

I am a 21 year old female. I am in my junior year of college studying music to teach. I have been in a long distance relationship for six and a half months. Over that period, I have been with my significant other twice. He and I met in early May on a dating site. I live six hours away from him in my hometown, and three hours away when I am away at school. He is 22 and finishing his last semester at a different college. I love him with all my heart and he is the one I want to be with, possibly for the rest of my life. Here is the dream I had:

It was the day of my wedding to him. I had a beautiful engagement ring on my finger. My bridesmaids were around me, putting on their dresses. My hair was getting done. After it was done, I put on a beautiful white wedding gown. I felt ecstatic at this point in the dream. I was so happy that I was getting ready to marry the most amazing guy I have ever met. My dream then skipped over the actual wedding. The next thing that happened was me waking up the next morning beside him. I looked at the wedding band now on my finger and smiled so happily. Then I had to leave him. I had to return to my school, three hours away from him. We had just married and had to separate again. This made me upset in my dream. I woke up shortly after, still upset.

I'm looking for some insight to what this could mean.

A wish fulfillment dream about your wish to spend the rest of your life with this guy turns sad as your mind remembers that this is a long distance relationship. You are upset because you realize that the long distance nature of the relationship is in the way of your long term plans.