Why doesn't my ex want his stuff back?

We dated for almost a year and broke up a couple days after Christmas...we didn't talk for a while but we have been starting to talk again...Last night I mentioned that I had some of his things like a stuffed animal, sweatshirt, and a book of his. I told him I should probably give it back but he told me not to worry about it...Why wouldn't he want it back? It's all useful stuff (besides the stuffed animal, but he loved that thing) any advice? THANKS for any feedback! All answers are much appreciated :)
Why doesn't my ex want his stuff back?
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