A fondness for even numbers, on its own, is not typically considered a form of obsessive-compulsive disorder (OCD). It's important to distinguish between personal preferences and clinically significant symptoms of OCD.
OCD is a mental health condition characterized by the presence of obsessions and/or compulsions that are time-consuming, distressing, and significantly interfere with a person's daily life. Obsessions are intrusive, unwanted, and distressing thoughts, images, or urges that repeatedly come to mind, while compulsions are repetitive behaviors or mental acts that an individual feels driven to perform to reduce the distress caused by the obsessions.
Having a preference for even numbers might be a personal quirk or preference without any accompanying distress or compulsion to engage in specific behaviors related to even numbers. Preferences like this are part of the normal variation in human behavior and are not necessarily indicative of a mental health condition.
However, if this fondness for even numbers becomes so intense that it causes significant distress or starts to interfere with everyday life (e.g., avoiding certain situations or becoming anxious when exposed to odd numbers), it may be worth discussing these experiences with a mental health professional to assess if there might be an underlying issue.
It's important to remember that only a qualified mental health professional can diagnose OCD or any other mental health condition. If you or someone you know is experiencing distressing thoughts or behaviors that interfere with daily functioning, seeking professional evaluation and guidance is recommended. Early intervention and appropriate treatment can make a significant difference in managing and improving mental health conditions.