2, peace of mind, not angry, not impatient, easy to let things go, good things are unhappy, unfortunate things are not too sad.
3. Good living habits. Early to bed and early to rise, like sports and love labor. Eat seven or eight points full, less meat and more vegetables.
Exercise, according to your physical condition, personal preferences and the surrounding objective conditions, choose the exercise that suits you.
If your grandfather is old and can't move easily, walking often is also a good exercise and a good living habit.