If you don't get enough sleep, ...
If you eat less sugar, ...
... you might feel a lot healthier.
If you don't get married, ...
If you change jobs, ...
... you won't be able to stay awake in class.
If you travel abroad, ...
If you walk to work every day, ...
... you may not like it better than your old one.
... you'll stay in shape without joining a gym.
... you'll have more money to spend on yourself.
... you'll be able to experience a new culture.