This article focuses on the theory put forward by Donald Capps in his The Depleted Self (Sin in a narcissistic age. Minneapolis: Fortress Pres, 1993) stating that there is a particular link between narcissism and the commitment of particular deadly sins. The data in the research reported in this paper robustly validate the idea that the psychological consequences of the bureaucratic consumer society, understood as a lack of individual well-being leading to a narcissistic defense, show the theological relevance of the deadly sins. In essence: narcissism seems to be the most important variable in explaining the two factors of sin: resentment and desire.