Here are some suggestions for what he should do based on the information provided:
1. Talk to his son and try to understand why he started smoking. Express concern for his health and set clear expectations that he needs to stop. Offer support to help him quit.
2. Seek medical advice from their doctor. Getting a full medical checkup is important to understand any health impacts and get recommendations on the best way to quit smoking.
3. Develop a plan and strategy to quit. This could include gradually reducing cigarette intake, using nicotine replacements under doctor's guidance, changing routines associated with smoking, and finding alternative activities to keep himself busy.
4. Ask friends and family for encouragement and accountability. Having a strong