5 Types of People Who Can Ruin Your Life: Identifying and Dealing with Narcissists, Sociopaths, and Other High-Conflict Personalities

Some difficult people aren't just hard to deal with-they're dangerous.

Do you know someone whose moods swing wildly? Do they act unreasonably suspicious or antagonistic? Do they blame others for their own problems?

When a high-conflict person has one of five common personality disorders-borderline, narcissistic, paranoid, antisocial, or histrionic-they can lash out in risky extremes of emotion and aggression. And once an HCP decides to target you, they're hard to shake.

But there are ways to p...