HELP!! Relationship advice!!

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So, I'm tired of being at home. I'm living at home and can't afford my own apartment. My bf is stationed at fort Campbell, if we were to get married I could move down with him, and still take online classes at the college here in town which I've already been accepted to. I just need out. Out from under my mother but I'm 19. She wouldn't be a fan of this idea at all. But I want it.