Why did this kind of hurt my feelings when my crush did this?

At my job I was passing my crush with an empty box in my hand and he smacks it so hard to the ground. He pretends that he’s going to walk away but he does pick it up and hand it to me laughing. He said he’s just playing

I guess it kind of hurt bc I wasn’t expecting him to do that. I think he’s a playful guy

Why did this kind of hurt my feelings when my crush did this?
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