Why does he try to get my attention?

I broke up with him because I didn’t like how he was treating me, I wasn’t important and I felt I was an option a side piece, I would be nice and supportive and he would be mean, I wasn’t a priority, he tells me he wants to be with me and work things out with me but his actions doesn’t match, I felt he didn’t appreciate anything or valued me enough, I got tired of him and sent him a big paragraph telling what he has been doing with me and that we are not the same page, it’s been weeks since I have gone completely no contact, I want him to realize he messed up, why has he been trying to get my attention.
Why does he try to get my attention?
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