I am not sure what "meaningful" means - but many narcissists have long term relationships with their sources of supply (not necessarily with other narcissists).
Not a healthy relationship.. that's for sure
The Defining characteristic of the narcissist is grandiosity. The narcissist is more likely to be attention seeking, envious and to desire admiration.The defining characteristic of the sociopath/psychopath is callousness. The sociopath/psychopath is more likely to engage in illegal activity, to be aggressive, impulsive and deceitful.
Only if you are masochistic.
A narcissist and more extreme would be psychopath
There is no such thing as a 'compensatory narcissist'. It is a fake term made up by psychopath Sam Vaknin (see Related Links). No Contact with a Narcissist is always best.
Definitely not worth it.
. You couldn't (improve on last answer, or have a relationship with a Narcissist without feeling abused).You cannot have a relationship with an abuser without feeling abused.
Psychology recognizes NO SUCH THING/ PERSON. It's a made up term. Made up by a psychopath who writes books about Narcissism.
The bulk of the apparent "research" that has been posted on line saying there is no cure or treatment has been written or influenced by a publicly diagnosed psychopath. Narcissism is Not the same thing as being a psychopath and narcissistic tendencies can be as much a symptom of a bad marriage as it is the cause.
They often end up being controlled, abused and manipulated by a Narcissist or Psychopath... which can lead to autoimmune illness and serious depression.
Psychopath
Welll that depends how long this person lives. AS they are always in a relationship with themself
someone also obsessed with that person.