2.
A:I feel tired
B:You should go to bed
3.
A:I've got toothache
B:You should see a dentist
4.
A:I always lose my keys
B:You should keep them in your pocket
5.
A:I'm so worried about my exams
B:Don't worry too much
6.
A:My feet hurt.
B:You should take off your shoes