My eyes teared for you because I can tell you are hurt all the way to your core. You are not the one with the problem. You may have done things at certain times that caused arguments but that happened because you already felt hurt and misunderstood. You didn’t get the nurturing you needed from that relationship, in fact you got the complete opposite. And for him to say forget about everything and get back together like your feelings mean absolutely nothing is just so selfish of him. He obviously needs A LOT more time to reflect how he made another human being feel and all the wrong b.s. he did. As for you, you are absolutely right about getting some help, maybe just some counseling to help fasttrack your healing and remind you that what you are feeling is normal. It may take some time to come to terms with what happened and you may come up with a hundred questions to ask him but don’t speak to him. Let him think about what he did and how wrong it was.