This is what the Bible calls repentance. While the existence of the addiction is not something we can control, we do control how we respond to it. At the point we are powerless, God gives grace. Self-help groups often minimize our ability to change. Sin is acknowledged in a caring atmosphere.
Families can bring about healing - or ignore problems.
You must decide if it is better to cope, or risk real change and possible disintegration. Understanding must be gained of dynamics, and new patterns of behavior established. The humility of healing. We are still broken people, living in the land of the broken. C. God's healing can take a lifetime.