YOU SAID:

why would my face do this

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なぜ私の顔はこれを行うだろう

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Why my face is doing this would

INTO JAPANESE

なぜ私の顔はこれをやっていると思います

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I think why it doing on my face

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なぜか私の顔にやって

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Why do my face

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なぜ私の顔

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Why is my face

INTO JAPANESE

なぜ私の顔は、します。

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Why is my face.

INTO JAPANESE

理由は私の顔です。

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Why is my face.