Possible actions or best practices to manage the illness:

Seek professional help: Liz should consider reaching out to a therapist or counselor who specializes in addiction and can provide guidance and support.
Join a support group: Liz could benefit from joining a support group for individuals dealing with addiction or coping with a loved one's terminal illness. This would provide her with a safe space to share her experiences and receive support from others who can relate.
Develop healthier coping mechanisms: Liz should explore alternative ways to cope with her emotions and stress, such as engaging in regular exercise, practicing mindfulness or meditation, or pursuing hobbies and activities that bring her joy and relaxation.
Establish boundaries: Liz should set limits on her alcohol consumption and create a schedule or plan for when and how much she will drink. This can help her regain control over her drinking habits and reduce the negative impact on her physical and mental health.
Seek medical advice: Liz should consult with a healthcare professional to assess her overall health and discuss any potential risks or complications associated with her alcohol consumption.