User:Tyrannis/OCD

Obsessive-compulsive personality disorder is a cluster C personality disorder defined by the DSM IV as: A pervasive pattern of preoccupation with orderliness, perfectionism, and mental and interpersonal control, at the expense of flexibility, openness, and efficiency, beginning by early adulthood and present in a variety of contexts.

In other words, hell.

How to spot an obsessive
The guy sorting the Styrofoam cups into three columns of equal height at the coffee machine might have a problem.