I slapped my bf after he was blamin me for things i havent done and his verbal abuse?

My bf he calls and calls me I still ignore his call. Y shud I pick wen he uses me bad words and blames and doubts me wen my fone is off when my phone is busy if m late from work if m out with my family too esp those hurtful sms saying I hav hiv I may have slept wid four guys and so on so I kept ignoring his call den he s before my work place distracts me keeps following me and my collegues looking at us its hell its a drama scene he threats me saying he will follow me to the house and get in. He had even given me break saying I eave u cuz ur dating someone when m not dating I don't even have toime to sleep or eat how can I double time his stupid umption and prediction oh god imy life is pathaetic actually may be the thing behind all this started from cuz he has a problem with my x bf who we r not in touch anymore but I had shared with him a lot of things about my x bf cuz I thot its not gud to hide or lie one day he will know so I told him about my past den my x added me in fb I ddnt accept it nor ignore it I kept it the way it was acted like unseen or neva happened and my bf was also asking my fb pword which I ddnt wanna share cuz I felt he ddnt trust me later he blamed me dat I may be having secrets or chatting wid boys including my x so finally I gave him m not so concerned about what was dere who wrote what and what I had repied it was all jokes casual msgs and there was many which was sent to me by others that they wana b my fren they want my number my I'd ok that is understandable dat he felt angry but y dig old stuff and read msg about me and my x wen I ddnt even know he existed in this world now all the time he yacks and fights with me ur a ***** u did dis u must have done that for how long will I bare its everyday that we have fight now again if my phone call is busy all he got in his head is my x mayb ur talkin mayb u all meet mayb u have diff sim. Card m tired of clarfying and proving stuffs I wonder how will be our life if we plan to marry he will only doubt me and yes indeed every hour he doubts me he txt me some hurtful sms y doesn't he understand I cud neva giv my pword if it was sth I cud not tell about my past and could clear everything and then give my pword he always thinks m doing wrong wen m so loyal and faithful I don't smoke drink go party or disco work to home home to work that's my life still why so many doubts just an hour back I slapped him cuz he told me if I don't pick his phone he will come in my house so later my mom came down I had informed her he's ing and he can do anything dis guy is crazy btw mom knows I hav a bf the most shitty part is he told my mom saying mummy ur daughter came to meet me before she ddnt go for her work u don't know ur blinded she lies and hides things from u like how she hides from me and blah blah I slapped him and said what r u trying to prove I hate u more and he's saying see mom she slapped me cuz she's scared I reveiled to u and I said it wasn't for that its how cud u tell mom don't u respect her I really luvd him truely and he messed my life all over now mom is angry the way she pulled me inside the house was bad I told and shoutd I hate u more and tnx for putting fire in my house esp between me and my mom andi told him dat was between u and me n some things r personal grow up wen mom went inside angrily guys plzzz help I need ur big support and suggestion or advice the whole scenario is here I mean how cud he tell my mom ur daughter came to meet me hidingly and ur daughter did dis and dat he tried to prove hom right and prove me wrong my mom is so hurt and she feels sick I hateeee him