Does it annoy you when someone eats a pizza crust first? Eats an Oreo^® without taking it apart and eating the icing first? Takes a bite from the middle of a burrito?

If so, then you may have an advanced case of Obsessive Compulsive Disorder, also known as CDO when properly alphabetized.

Note: KIT KAT^® is a registered trademark under license from Societe des Produits Nestle S.A.
Oreo^® is a registered trademark of Nabisco, Inc.