"I'm Building A Fire" is a song by Benjamin Gibbard, a singer-songwriter and the lead vocalist of the indie rock band Death Cab for Cutie. The lyrics depict a person's desire to leave behind a lasting impact and provide comfort to their loved one even after they are gone. The song begins with the protagonist stating that they are building a fire to keep their loved one warm long after they retire from their physical existence. This fire symbolizes their enduring love and presence in their loved one's life. Knowing that their body is bound to expire, they want to ensure their memory lives on. The lyrics continue to describe how the fire, represented by its embers, will continue to grow and remind the loved one of what they already know. This refers to the precious moments and memories shared between them that will remain even through the temporary absence of light, symbolizing challenges or difficult times. The protagonist believes that their loved one will wake up in the morning with the ashes of a memory. This suggests that the memories of their time together will remain as a constant reminder. The mention of the sun on their face implies hope and happiness, and with that, the protagonist will not seem so far away. Overall, "I'm Building A Fire" tells a story of someone who wants their love to transcend their physical presence. They aim to create a lasting fire of love and memories that will keep their loved one warm and connected to them, especially during moments of darkness and solitude.