I also believe the lines "If we dissolve without a trace, will the real world even care?" are sort of commenting on his sort of introverted-ness, like some people in the world wouldn't care if a person just disappeared forever because we're so caught up in everything.
I think it's a song about his inside world.
I also believe the lines "If we dissolve without a trace, will the real world even care?" are sort of commenting on his sort of introverted-ness, like some people in the world wouldn't care if a person just disappeared forever because we're so caught up in everything.