A Sociopath

A sociopath is typically defined as someone who lies incessantly to get their way with little concern for others.  They tend to have little regard or respect for the rights and feelings of others, often charming, charismatic and manipulative.

Compulsive Liar

A compulsive liar is defined as someone who lies out of habit. Lying is their normal and reflexive way of responding to questions. Compulsive lying is usually thought to develop in early childhood, due to being placed in an environment where lying was necessary.

Some common feelings after telling a fib, is usually some remorse, but the compulsive liars are unrepentant for their actions. 
Just like any habit (bad or not), once you begin, you become content and continue.

What, Why and How???

Here are some more symptoms of compulsive liars that may not be as straightforward.

• Low self-esteem: This is a characteristic of most people with a compulsive lying disorder.
• Other negative personality traits: Watch for narcissistic, manipulative behavior and/or inappropriate emotions and impulsive reactions.
• Addictions: People with addictions to gambling, alcohol, drugs or other activities also are much more likely to lie compulsively.
• Bipolar Disorder: Impulsive behavior is common during this period, and it becomes easier to tell a lie than face reality.
• Inability to face reality: Even when confronted a compulsive liar will never admit the truth.

What causes compulsive lying?

• Because they behave badly but want to still ‘look good’
• To genuinely save someone else’s feelings.  
• To control other people.
• For self-aggrandizement.  
• Through sheer force of habit - “Lying is as easy as breathing for me!”

STOP  the lies!

Step 1: “To thine own self be true” - regardless of what others are doing

You know what is honest, so be honest regardless of a dishonest group-think culture - don’t hide behind the excuse of widespread lying.

Step  2:  Remember the truth is often easier

Cast off lying and you’ll find life instantly becomes much less stressful.

Step 3: Know what lying is

Don’t make excuses to yourself. Not telling the truth, when you know what it is, is lying.