Ex girlfriend says im insecure/egoistic?

So I've broken up.
My girlfriend said im egoistic because whenever we argue im always saying that 'I want her to tell me what she wants instead of closing up' I blamed her for always answering short sentences or one word replies.

And she blamed me for not caring about her wellbeing but instead focusing on the state of our relationship.

But the thing is when I ask her about her day or anything going on in her life she always goes 'great, fine, was ok'.
I deal with her behavior for a while and then i snap and ask for reasons for her behavior telling her that it hurts my feelings but then she refuse to talk about the situation etc.. And in the end blames me for annoying her.

I dont know if i was missing something there.
Ex girlfriend says im insecure/egoistic?
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