The last stanza reminds me of the part when Gale got whipped and was rushed to Katniss' mum. He was at his most vulnerable (physically and emotionally) while he lay bloody and half-conscious on the kitchen table. He and Katniss also had a very tender moment then.
Blood draining from one's skin can also be a play on blood draining from one's face, to be shocked or mortified by some horrible news, like Katniss' engagement, perhaps.
The last stanza reminds me of the part when Gale got whipped and was rushed to Katniss' mum. He was at his most vulnerable (physically and emotionally) while he lay bloody and half-conscious on the kitchen table. He and Katniss also had a very tender moment then.
Blood draining from one's skin can also be a play on blood draining from one's face, to be shocked or mortified by some horrible news, like Katniss' engagement, perhaps.