Any goth worthy of their black stompy boots is familiar with the Sisters of Mercy song This Corrosion, and indeed has probably spent many a late night dancing to it, optionally while smoking clove cigarettes.

To help all of us better understand this song, which has touched the lives of so many goths, I offer: a flowchart for This Corrosion, the better to comprehend the inner workings of this important contribution to the goth arts.