Guy texted "Sure" as his response to hangout, is he rejecting me?

I met a guy last wknd, we talked a bit. We exchanged phone numbers, I waited a few days and hit him up. We were supposed to hangout today but Thursday he said he was sick, I had texted again 1st to ask if we were still on. I said hope you feel better, hit me up if you ever wanna get a item or whatever. He's response "Sure, I'm still recovering"

I hate the response "sure" the word seems like a Euphonism for NO. I could be wrong, thoughts.🤔

Guy texted "Sure" as his response to hangout, is he rejecting me?
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