Relationship my gf is a emo i am a bit of a chav?

i have been with my emo gf for nearly 3 yrs now we live 2gether since i met her & i started to notice after 1 yr being with her she self harms cutting herself anywhere where people cant really see she said shes been doing it for 7 to 9 yrs she is in the emo world listens 2 depressing music everyfing that a emo would do it is making me sick cus i love her but what does love mean 2 a emo dat is so negative 2 life what am i spose 2 do i hate a break up its 2 upsetting is there anyway that i can eitha help her or help myself do i contact mental health or not i also suffer from depression & anxiety myself bt i try hard 2 get through it what am i spose 2 do its killing me inside sum 1 who can help in anyway i wud really appreciate it i feel really down & upset wiv my life @ da moment bt she finks its all about her i ave been through so much pain losing my grandad 9 yrs ago den losing my mom 3 yrs ago & my dad recently had a stroke my nan his on her last legs too i feel my life is crumbling do i lead a path wer a emo goes bt i wud nt dress lyk 1 or do i stay the way i am & dont go in my gf's emo world she is so miserable @ tyms never really c her happy she said while i sleep she stays awake trying 2 talk 2 me while im asleep i ave never had this sort of stuff happen 2 me b4