If you are dealing with a loved one who has a drug addiction, you probably know that you cannot oppose the power of denial. The denial is nearly impenetrable wall of resistance, and most drug addict hide behind it to avoid any kind of confrontation and dealing with their addiction problem.
There is one thing about denial you have to understand, you cannot reason with and addict. If you try letting them know how that drug is damaging them and their life, it will not make them stop. The drug addict believes that he is in control of his life, and in clinical terms this stage is called a denial. Denial is merely a defense mechanism by which painful realities are ignored or have excuses. Drug addiction is based on escaping of reality, therefore the truth is eluded, denied, and in many cases the addict creates new realities to compensate for avoiding the truth.
It is hard for the addict to conceive all the health risks and damages that drugs cause, because they do not believe it could happen to them, and that they might be exempt from drug addiction problem. You’ve got all the facts for the drug addict to see how to help drug addict denial has already damaged his relationships, affected his work, led him to the life of crime, and loss of their home and possessions. You need to continue impose that truth on the addict, to keep him in the reality that he needs to understand and accept.