Ex keeps telling me I’m so negative?

Me and my ex are broke up a year he was really so horrible to me during that year.
Every time we meet up I’m always crying or expressing my hurt to him and wishing he change or at least knowledge his faults.
But he says he has and that he can’t change the past but I tell him he can change the present but he doesn’t see how he’s doing anything wrong.
He tells me I should be more positive and not give out but I have all this pain and anger and even the way he speaks to me now he’s just such a horrible man.
I’m just so miserable and unhappy each time I’m with him and he wants me to pretend I’m fine and happy and it’s just so hard to do.
Like I don’t know why he keeps agreeing to meet up when he clearly doesn’t like me
Ex keeps telling me I’m so negative?
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