Look ppl!! I need some really serious advice here!! please!!!! I REALLY NEED HELP!?

hi, im 18yrs old & my bf is 19yrs old, we wanna have our own space, but my mom disagrees, she doesnt wants me to move to Fl with him, we wanna do this sooo bad!!! i want this to happen as soon as possible! u know!? atleast im not pregnant at this age, or atleats i dont use drogs, i wanna keep studying, but out there, in Fl. i live in PR by the way. i dont know what to do bec overall she's my mother and i dont wanna see her sad or stressed out by this situation, but its what i wanna do!! we wanna get married and be happy, i know this is for good!..i dont know what to do, its gonna hurt me if i leave and disappoint my fam, specially my mom! if theirs anyone who is going through what i am going through, please let me know! or if theirs anyone anybody that wants to say something, dont hold back and please write it down, i just need some advice some help here!! please, i just dont wanna hurt my fam, but i think i can do this and i wanna be happy! thanks!!!