1. Staying active is essential for the elderly to maintain good health and prevent health issues such as joint stiffness, muscle atrophy, pressure sores, blood clots, and pneumonia. 

2. Controlling diet is crucial to avoid overeating and health problems. Indulging in expensive leftover seafood led to hospitalization. 

3. Maintaining a regular sleep routine is vital for seniors to preserve mental and physical well-being. Poor sleep quality reduces immunity and increases disease risk. Aim for 7-8 hours of sleep per night.

4. Cultivating a positive mindset is important. A positive attitude towards life's challenges makes it easier to overcome difficult situations.

5. Quitting smoking and excessive drinking is necessary for overall health. These habits can have long-term detrimental effects and may require costly remedies in old age.