Borderline personality disorder?

i have mood swings like pratically everyday i can go from bein rellii happy to being angryy and swearin n shouting at everyone for no reason i can get reli bad anger and its caused me to be arrested once for breakin a gl, i sumtimes feel like people r talkin or starring at me n sumtimes think people hate me even my family n my closest m8s! i can also be obsessive wiv my ex bfs like i will always check there facebooks n stuff dunno if that could av anythin to do wiv it, n my moods av caused me to become quite violent even towards bfs ive had in the past! ive also selfharmed in the past, shoplifted n done drugs! so could this be bpd?