Why won’t he say it’s over?

I dated my boyfriend for four years. We recently had a very terrible blowout and broke up. I contacted him about some of his things in my Home and my desire to return them to him. He said thank you and then asked me if I would like to go on a trip to Boston in August. I declined. I told him I would always love him. Yesterday I sent him a text regarding his gym membership that I terminated.
I told him I needed to put everything out on the table and wanted to know if our relationship is completely over. He responded he could not talk at that time because he was working. I said no problem and I have not contacted him cents. This happened last night. Why doesn’t he just say it’s over?
Why won’t he say it’s over?
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