My knees hurt.
You should/shouldn't...
I feel sick.
You should see a doctor.
I am cold.
You should/shouldn't...
I have a sore throat.
You should take a medicine.
I have a headache.
You should have an aspirin.
I am upset.
You should/shouldn't...
I broke my leg.
You should see a doctor.
I am overweight.
You should exercise.
I am tired.
You shoudn't sleep late.