The thing which the example of personification in the first stanza of "hanging fire" reveals about the speaker is that she is insecure about her skin because of her ac-ne.
This refers to the figurative expression that is used to give human attributes to inanimate objects.
Hence, we can see that in the first stanza of "hanging fire", the speaker talks about her skin betraying her which means that she has ac-ne and this makes her feel insecure.
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