Differences in behavior: Shy guy and Polite Uninterested Guy?

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Please be detailed! I'll respond to every good answer with a fun gif. <3 IF you are shy, or a guy whose tried to be polite to a girl he knows likes him but he wants to reject, please tell me about it!!!
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+1 y
Actually, I change it... not so much SHY but more INTROVERTED. He's kind of confident overall I'd say. I don't know tho.
Differences in behavior: Shy guy and Polite Uninterested Guy?
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