Why does he want me now that I lost interest?

This guy I used to have a crush on was very flattered by the fact that I admired him but never took me seriously. Now that he noticed that I’m completely over him he started acting nervous around me and made me a romantic playlist (he didn’t share it with me though). Why does he want me now? I was never his type and never will be

Why does he want me now that I lost interest?
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