Is it common for a person with narcissistic personality disorder to marry a person with obsessive compulsive personality disorder and will it work?
Even mentally healthy individuals won't remain that way for long being married to a true narcissist, so the answer is no, the relationship will not work out. The other mate having OCP will only complicate matters and they will be that ones that will suffer the worst.
Obsessive-compulsive disoder is an axis I disorder where the individual has thoughts (obsessions) that cause anxiety and does actions (their compulsions) that relieve or reduce the anxiety. Those with schizoid personality disorder (which is an axis II disorder) tend to have no interest in relationships, very few strong emotions, and a lack of interest in their everday life.
Obsessive Compulsive Disorder (OCD) is different than Obsessive Compulsive Personality Disorder (OCPD). Both are mental conditions that create ridged obsessive tendencies. In OCD, it's expressed in external rituals. In OCPD, it's in demanding standards of perfection for the self and others. For more on the difference, and more details on life with OCPD, check out the blog: Bashing Perfect (see Related Link, below.)
What is the difference between obsessive compulsive personality disorder and narcissitic personality disorder?
Both are personality disorders so they are subcategories and therefore related. They are in different clusters (cluster B for narcissistic PD and cluster C for OCPD) but both can cause interpersonal difficulties. Narcissistic personality disorder involves a grandiose view of self and self-centeredness, often due to low-self esteem. They are highly sensitive to criticism and other narcissistic injuries. People with OCPD tend to be perfectionists who require high levels of rules, regulation, and order. They…