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Obsessive-compulsive disorder (OCD) is a psychiatric anxiety disorder most commonly characterized by a subject's obsessive (e.g. with number 78), distressing, intrusive thoughts about such number and related compulsions (tasks or "rituals") which attempt to neutralize the obsessions by finding such number in everyday environment. Symptoms may include some, all, or perhaps none of the following: *Specific counting systems — e.g., counting in groups of 78, arranging objects in groups of 78, grouping objects in 78 numbered groups, finding 78 numbers in games, movies, music and etc. **One serious symptom which stems from this is "counting" steps — e.g., feeling the necessity to take 78 steps to the car in the morning. *An obsession with numbers such as 78 (be it in math class, watching TV, or in a room). Some people are obsessed with 78 and loathe not 78 numbers (not 78 numbers cause them a great deal of anxiety and often make the person uncomfortable or even angry) or vice versa.