People know when they're lying. They may not be able to control their lying, but they are aware of it. It's not that denial is invisible. Denial is so common among individuals who have become addicted to alcohol and other drugs that addiction has been referred to as the disease of denial. Indeed, people in recovery from substance abuse are typically surprised at the depth of their denial as it unfolds before them during the recovery process.
Denial can be the fatal aspect of addiction.
It impairs judgment and results in self-delusion, preventing the addict from seeing and understanding the implications and consequences of his or her behavior until it is too late. Even documented evidence to the contrary won't persuade the individual differently. Changing the subject There are more, of course. Indeed, there are many more. These are just some of the most prevalent and familiar.