Worse Than Regular Narcissists

While overt narcissists are more obvious and aggressive, bullying others or hogging the spotlight, covert narcissists can be sweet and ingratiating, manipulating their victims over long periods before they realize what's going on.

Establishing boundaries is critical with any kind of narcissist, and since covert ones tend to do a better job at keeping up a likable or inoffensive appearance, it's better to err on the side of caution..