Often loved ones of a chemically dependent individual try to protect them from the consequences of their actions. This is known as enabling and is very destructive to the enabler but more so damaging to the addict. Most enablers don’t even realize they’re causing more harm that good when tying help an addict. Assistance with anything short of finding and getting them into treatment is considered an enabling behavior.
In terms of drug abuse and addiction an individual will not desire change until the problems and pain out weighs any perceived benefits associated with using them. The abuse of addictive drugs and alcohol causes pain and problems; to protect an individual from those troubles only reinforces their ability to continue down that destructive road. The longer a person goes through life on drugs the harder it is to return to normal drug-free life. Therefore you don't do an addict any service by assisting them with their drug or alcohol abusing behaviors. By applying tough love you can sometimes bring them to rock botton quicker that they might seek the right help. Also read about the Intervention Process