How to Live a Hundred Years Happily 1. Do not be on the lookout for ill health. 2. Keep usefully at work. 3. Have a hobby. 4. Learn to be satisfied. 5. Keep on liking people. 6. Meet adversity valiantly. 7. Meet the little problems in life with decision. 8. Above all, maintain a good sense of humor, best done by saying something pleasant every time you get a chance. 9. Live and make the present hour pleasant and cheerful. Keep your mind out of the past, and keep it out of the future.