A: Do you have any tips on how to stay healthy? B: How do you think I got to look this good at my age? A: Let me guess, you drink a lot of water? B: I drink at least eight glasses a day. A: I bet you exercise every day, too. B: I try, at the very least, to walk 20 minutes a day. A: I didn't think walking was good exercise. B: Walking briskly is great exercise. A: What about eating habits? B: Try to eat as much non-processed stuff as possible. A: What do you mean non-processed? B: If it's in a can, a bag, or a box it's probably processed.