Why is my guy friend ignoring me?

I’m really pissed my guy friend is acting distant. He told me his birthday is coming up next week and joked about if I will do something for him. I joked back saying no, but since we are good friends, i’m of course going to get him a small gift and a small cupcake. So I asked him if he will be busy on that day. He gave a very vague answer saying “maybe” and was giving attitude. I asked him again after a few days to reassure so I can make time but he completely ignored me. I find this behavior very weird. It’s as if he is uncomfortable with me celebrating his birthday and the only reason I can think of is he may think I like him? But he knows I like other guys because I always tell him who I am crushing on. Should I just not care about his birthday?

Why is my guy friend ignoring me?
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