Toxic relationship. Out this mess!

I'm in a long distance relationship since past 2 years.. For last 6months.. I cn feel this rlthshp dying.. She stopped putting efforts.. Always fighting.. Since past month.. She started verbally abusing me with evry imaginable word about me n my family.. Still I'm begging her to stay n make things work out.. We would chat a day nicely.. Thn next 1 week her being in mood n fighting n abusing me.. The cycle continue.. Because of her.. I cannot concertante on my studies.. I'm so feeling depressed.. Nervous.. Already sefl harmed myself couple of times.. I'm afraid of being alone.. Thats y losing all self respect for myself in front of her n still begging... M still afraid of losing her .. A lot of my frds suggested to move on.. I cnt do anything.. M stuck..please help.. M having suicidal thoughts.. I have job exams coming.. I need quick help without my parents finding out this mess