neuroticism

Mood swings or being stressed or worrying a lot

She's a neurotic person.
Neuroticism may mean that you live longer.

Neuroticism

But you said (in a discussion with your daughter) that being low in neuroticism makes narcissists worse.

Hym “So how does that not apply to psychopathology? If neuroticism is the marker for psychopathology, how does low neuroticism not make the psychopath worse (thereby making them ‘fearless’ in your own words)?”