Valid reason to break up?

My boyfriend (22) and I (20) of a year got into a bad argument and once things calmed down and we were good again I asked him if we could talk over the weekend about things we both think we can do better. He said yes. Fast forward to Friday night he said we’d talk about it Saturday he avoided the conversation then and then again on Sunday. I brought up that I was disappointed that we didn’t talk about it. So I then asked can we talk about it next weekend, he said yes.

If he avoids it again, is it valid to break up? It feels like he isn’t concerned with us being better. Or am I just stupid
Valid reason to break up?
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