Girl and I became very close in class. On the last day, she wouldn’t talk or look at me. Is it because I never made a move?

This girl and I became very close in class. We would hang out, talk on the phone for hours, stare at each other, clearly flirt, etc. We were inseparable in class.

On the last day, she would barely look at me. Wouldn’t talk to me. Wouldn’t stare at me. How could someone flirt with me, be genuinely close to me, and then not even speak to me our last class?

I never made a move, and I feel like a coward. Is this why? Was she afraid of her feelings? Was she upset that I never made a move? What did I do wrong?
Girl and I became very close in class. On the last day, she wouldn’t talk or look at me. Is it because I never made a move?
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