A person who has a personality disorder (such as Narcissistic Personality Disorder or Borderline Personality Disorder) always ...

Jealousy is a mix of emotions like suspicion and anger that can turn into destructive behavior if you don't learn to recognize and overcome it.

Sometimes you just get a weird feeling about a person. They haven't done anything outright wrong, but you can't shake the idea that something is off. If you're feeling that way about someone you know, ...

“I’m not a jealous person.” “Good for you!” I think, but then inside I stop and wonder—“Come on! How is that possible?” Jealousy, like rage, compassion, and many other human feelings and emotions, can ...

My sister is beside herself thinking this friend is trying to take her place. I have reassured her many times, that is not possible.

Strong emotions can temporarily wipe out vision, study shows. April 21, 2010 — -- Jealousy can be so powerful that it can leave a person "functionally blinded," unable to see key images in their ...

It's human nature to feel jealous every once in a while. And sure, it's not necessarily something we're proud of, but envy happens. When it becomes an issue is when you let your jealousy control you ...

DEAR ABBY: I am a dog sitter in my 70s who has been taking care of a dog for the last five years. Her owner is a nice young man who is well mannered and polite. We have had a good relationship. A few ...