The Insidious Deception of Obsessive-Compulsive Disorder
Hampton Psychotherapy

Imagine that there’s a Homeowner who believes his roof is leaking.
He becomes so preoccupied with this concern (despite a rational lack of evidence for it) that he calls a roofing Repairman.
After the Repairman finishes inspecting every shingle of the roof, he tells the irrational Homeowner: