A healthy lifestyle is essentially discipline. We should try as much as possible to live a healthy lifestyle and as the evergreen say goes 'health is wealth'; apt!
1) Approach your meal as a lifestyle; eat healthy.
2) Load up on fresh produce; eat more fruits and vegetables
3) Drink more water
4) Watch your sodium intake
5) Eat more fish and less red meat
6) Snack smartly; do more nuts, seeds and fruits