The person is exhibiting Obsessive Compulsive Disorder (OCD)
What is Obsessive Compulsive Disorder (OCD) ?
Unreasonable worries and obsessions (also known as compulsive behavior's) are hallmarks of obsessive-compulsive disorder. OCD frequently center's on ideas like a dread of germs or the requirement to organize objects in a certain way. Symptoms typically appear gradually and change over time. Obsessions are anxious-inducing, recurrent cravings, thoughts, or mental images. People with OCD have compulsions, which are urges to engage in repetitive acts
Hence, when a person repeatedly checks the gas 10 times before leaving the house, that person is exhibiting signs of Obsessive Compulsive Disorder.
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