Willpower can play a role in overcoming addiction, but it is usually not sufficient on its own. Addiction is a complex and chronic disease that often requires professional treatment and support to overcome. While willpower can help someone make the initial decision to seek help and commit to recovery, addiction often involves physical changes to the brain that affect impulse control and decision-making. This can make it very difficult to quit using drugs or alcohol without additional support, such as counseling, medication-assisted treatment, and support groups. It is important to seek help from trained professionals who understand addiction and can provide tailored treatment to address your individual needs.