Lyric discussion by anniesomething1189 

Cover art for Home Is a Fire lyrics by Death Cab for Cutie

Also, I think this is just sort of... a metaphor for being scared to let your walls down, maybe when you meet someone new. You're always so used to one sort of living, but then something Earth-shattering happens, and everything changes. Once you've met that person (for the best or worst) your life won't remain the same.