Lyric discussion by emji14 

she's a dreamer and notices the beauty of life and people.. but she's depressed, suicidal even, thus the "sun been down for days" (though that could be just literal) and her "fighting for her life" at every little step

and lonely ("a letter", "a stranger she could love" and "nobody knows")

[interpretation based on a personal connection i felt with the character so it could be completely off, but that's what i felt]

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