I need help :\

So, my girl and i constantly fought nowadays because things got busy and stressful. To the point that i drained her out:(( Then she just ignored me and i just found out about build up resentment towards me, i mean i dont blame her because I was being immature. She won't talk to me ever again and i doubt she will ever talk to me. I only got to apologize through messages, I was thinking of approaching her to apologize in person but i dont rlly think she want to associate with me anymore:(( what do i do, i've been reflecting this whole time