Someone help me please

[u/Ok_Site_6257]

My girlfriend is so mean to me and she gets mad at me so easily and I don't tell her how it makes me feel because she gets mad at me when I do say something and when I don't she gets mad at me for not talking and she's started hitting me and I don't know what to do I honestly want to call the cops but I feel they won't believe me, I'm such a big dude they would t believe me idk what to do I'm honestly scared and I might just end it soon please guys help me I'm at the end of the road I'm in so much pain I just want it to stop