Ex's and Oh's Lyrics Meaning

It's like a lot of metalcore these days, it uses the traditional overlay of a relationship that went wrong in some way as either a metaphor or to augment the hidden, deeper, more mature meaning of the song. This song may seem like Alex and Brandon (Brandon/Brendon? How do you spell that guys name?) are singing about another failed relationship, but it is in fact about alcohol addiction, and by the sounds of all the associated stuff like interviews etc, Alex's personal experience with alcoholism. "You took me home/I drank too much/because of you my/liver turned to dust" - this is really the only line that can be put into any relationship scenario, although probably as a metaphor, it seems to be used to set the scene for the addiction problem. The rest of the song hops perspective between personal experiences, again probably Alex's, and a very blatant warning to everyone just how damaging it can be