"A life affirming song for anyone who is hurting after being used poorly in a relationship and is on to better things, featuring anielle's unique use of the banjo as the centerpiece of a contemporary pop composition." - The modern folk music of america
We lost (a friend to religion) is about former singer of 180° Virvar who used to be part of the "youth house" (Ungdomshuset 69) that was bought by a Christian sect (Faderhuset) who evicted the habitants of the house. She later converted to Islam and left the band.
So there's the irony-of-life theme in the song as well.