The protagonist of the song feels trapped by his own mind. He describes having "guns in his head" and "spirits in his head" that won't go away. This represents:
: A deep feeling of not being "good enough" or having done a "good job" in life.
Much of the story centers on the exhaustion of trying to live a righteous life while feeling broken inside. The Strumbellas - Spirits
: Thoughts that feel violent or intrusive, like "guns".
: He declares he will be a "dreamer till the day I die," refusing to let his dark thoughts have the final word. The protagonist of the song feels trapped by his own mind
: He wants to show the world he is doing his "absolute best" to be a good person, even when he feels like a "loser".
If you want to dive deeper into the band's history or music, you might be interested in: Much of the story centers on the exhaustion
: Like the music video's jazz funeral, the story transforms mourning into a lively celebration of survival.