Should I just let him keep it?

So my boyfriend now ex has broken up with me because he feels the relationship was too toxic and wants nothing to do with me. He told me he would give me the stuff back that I let him borrow. He takes a very long time to give stuff back that I let him use. He names a date and time he gives it back and where to meet but he never calls when it's time and something happens. He was suppose to give it back days ago but somehow he keeps running into problems. I can't rush him to give it back because he told me if I keep rushing him he'll just give it to a boyfriend of a family member of mine to give to my family but I never met the guy in my life.

Should I just let him keep it?
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