Vampire/Forest Fire Lyrics

Lyric discussion by brokenspoons 

Cover art for Vampire/Forest Fire lyrics by Arcade Fire

and could someone please explain how confronting your past and loss tie into this song?

the past part comes from the first few lines, 'you want to be set apart? burn all of your art' which depicts someone trying to distroy their old selves to get away. loss comes from the many examples of one of the characters houses burning down