Glass To The Arson Lyrics

Lyric discussion by Love&Hate 

Cover art for Glass To The Arson lyrics by Anberlin

I think that the whole "gravity prevails" is referring to how what goes up must come down so it seems like it would be a relationship that was great but it's falling apart. But I've been confused about that "We are the arsons" thing so the proper explanation seems to be the church one.