Narcissists are often pathological liars

• White Lies. People tell white lies claiming to be tactful or polite.
• Broken Promises. Failure to keep one’s spoken commitment or promise.
• The Lie of Fabrication. Telling others something you don’t know for sure is true.
• The Bold-Faced Lie. ...

Compulsive liars are often too careless to tell the truth. They don't take the time to think things through.

Although it is really hard to break this habit, they need to learn to control their urge to lie.  

1. Gossiping. Speaking ill of somebody who is not present
2. Judging. It's hard to listen to somebody if you know you're being judged and found wanting.
3. Negativity.
4. Complaining. We complain about sport,...