help

im having a weak relation with my mum we tend to argue on every single small matters. i want to discuss sum of the important dicisions in my life but she is not ready to listen to me and even if she does she disagrees with me all the times and dis is where the arguement occurs frm. Im tired of living this life want a little of space and freedom. have a boyfriend but he is in india and we both share a good and a true bond but every1 in my family is against me and think that im wrong so they r always trying to let me down and make me think negatively but i knw that this time my decision is not wrong......
so wat do u think i should do and how shud i handle this situation?