Your father smokes several cigarettes a day. It is very harmful to his lungs.
He should quit smoking.

Jane stays up too late. She is always sleepy.
She should go to bed earlier.

Maria takes in a lot of sugar every day. She may suffer from diabetes.
She shouldn't consume so much sugar.

He spends too much time on the computer. He will soon be very short-sighted.
He should take regular breaks and reduce screen time.

Mary likes drinking cold water. She may have a sore throat.
She should drink warm water instead.

Your friend always eats raw food. She will have an upset stomach.
She shouldn't eat too much raw food.

Louis works too much. He doesn't relax much. He is very weak and tired.
He should take time to relax and rest.

Jay always looks tired. He doesn't exercise enough.
He should exercise regularly to boost his energy.