My girl friend over reacted because she got scared with the thing tht ma cell phone was on waiting call and i ?

i just want her to realise tht wht she does whn she gets upset.she just hurts me in tht condition ,i dnt want to hurt her and i dont want to lose,nor i want to hear sorry from her,i just want her to realise her mistake so tht this can be her last mistake,everytym she just breaks up after d fyt,friends plz help me out with the best possible suggestions,i want to spend ma life with her but these things just hurt me a lot