A: Doctor, what is the best way to stay healthy?
B: Having a good diet is probably the most important thing.
A: It is very confusing to know what to eat.
B: You need plenty of fruits and vegetables, small amounts of protein, and whole grains.
A: Are there certain things that I should avoid?
B: You shouldn't consum too much sugar or caffeine. Also, watch your intake of fatty food.
A: After watching my diet, what else should I do?
B: You need to stop smoking, and make sure that you get 30 minutes of exercise every day.
A: Can I have a glass of wine now and then?
B: As long as you don't overdo it, a glass of wine a day should be OK.