Please please help!!!!! I am never getting away

I have been broken up with my N for 4 months now, my horrible story is on here. Anyway unfortunately I had signed for a car for him, he makes all the payments and on time. The thing is he has to give me the money he doesn't want to go to the bank to put it in . I have to meet him everyyyyy month ugh!!! And he still ask me to get his medication for him cuz he still thinks I have to. No matter how much I disconnect this F&^%$B"N CAR that binds us ugh! I cant take it anymore sometimes I want to scream actually all the time!!!! I get those I love You Text!!!! and Your Mine Forever , Im never leaving you Texts , HeLLO !!!!! we are not together!!!!! Im sure your Fucking Someone Else!!! Ho won earth can I ever move on! Sometimes I wish the worst for him God Forgive me. I just cant no more Its never ever going to end! And when I tell him get your own medicine, I get 20 calls and he constantly calls me CUNT followed by I love you. Please what else is there to do!!!! Someone Please tell me!!