Flirting with silent treatment?

basically I was little teasing this girl trying to flirt. She then proceeded to tell me she is giving me the silent treatment for 11 minutes or something like that. I basically would like to know if she got flustered and did not know what to do or was trying to avoid flirting back any more. Mind you she was flirting back only a few minutes earlier and she did start talking to me after what seemed to be a shorter time than she said. thank you.
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I just want to get the gist if I am wasting my time or not.
Flirting with silent treatment?
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