He left me again.. plz help me i REALLY need it !! :'(?

So we've been together for a year now, we had our ups and downs so about a month ago he left me so about a month ago he left me Because he says I am selfish andi don't appreciate him he also told me that I am the worse girlfriend ever and that I don't deserve any of the things he has done to me ..i spent exactly a week literally begging him to just give me a chance Because I love him more than I love my soul I know he do too & I told him that I'll change for him and I swear to god I dd even my friends told me that I dd change the things the he didn't like.. But now a litte miss understanding happened today ..he burst out on me and told me that I Haven't changed and the "oil and water " can't b together and he will never talk to me ever again and if tried to cal he will not answer talk to me ever again and if tried to cal he will not answer will not answer He is.my everything I lost my dignity and values to him I never vried iver anything fir days I tild him ny deepwst worse secrets he was my first almost everything I never ever lied to him and when I am hurt or down I never tell him Because I don't want him to b sad Because I am but he doesn't see ny hurt or down I never tell him Because I don't want him to b sad Because I am but he doesn't see ny of that .. Some please tell me what to do? I've never bern so lost amd lonely and scared and weak