Mercurially sinking into the bed frame
I felt like fainting
I was curiously shaken from all the blood
And now you're made of metal
You're made of stronger stuff than before
You have an iron will
But you've always been enough, don't you know?
You typed a letter
Beautifully worded out your pain
Kept it together
Even with those wires in your vein
And now you're made of metal
You're made of stronger stuff than before
And you have an iron will
But you've always been enough, that's for sure
That's for sure
Makna di balik lagu 'Mettle'
Lagu ini bercerita tentang seseorang yang menyaksikan orang yang dicintainya melewati masa yang sangat sulit, baik secara fisik maupun emosional. Gambaran tentang darah, ranjang, dan selang infus ("wires in your vein") menunjukkan pengalaman sakit atau perjuangan berat yang membuat orang tersebut tampak rapuh. Namun di tengah penderitaan itu, ia tetap mampu mengungkapkan perasaannya dan bertahan dengan penuh keberanian.
Makna utamanya adalah tentang kekuatan, ketangguhan, dan penghargaan terhadap seseorang yang berhasil melewati cobaan hidup. Ungkapan "now you're made of metal" dan "you have an iron will" melambangkan bahwa penderitaan telah menempa dirinya menjadi lebih kuat.