Shame is a treble hook that tells me that 1) I not only fail but am a failure, that 2) I not only damage people but I am damaged, and that 3) I not only lie but I am a lie.
The banality of evil hides in people, and who they unleash it upon become forever tainted by their names. They become one. Creator and monster. Evil by association.
Depression is often marked by this type of absence—loss of pleasure, loss of energy, loss of meaning. It is frequently described as a type of nothingness, and while that nothingness is something, it can elude usual means of communication.