Robert Downey Jr has successfully overcome his addiction and is now leading a clean and sober life.
Addiction is a complex issue with factors including genetics, environment, and personal choices.
Recovery from addiction is an ongoing process that requires commitment and self-awareness.
Robert Downey Jr's engagement and upcoming marriage indicate his commitment to a positive future.
As a father, Robert Downey Jr is determined to guide his son away from addiction and towards a healthy life.