Poetry: What is the shape of pain?

What is the shape of pain?

It's getting up and splitting wood while crying
(Because the cold just makes it worse)
It's putting on layers of clothes and twitching
(Because the cold just makes it worse)
It's getting up and getting up and getting up
So the fire can't go out
(Because the cold just makes it worse)

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Also on Squidge, and will be on AO3 next week.