A: You look kind of green. B: I don't feel so good. I am feeling sick to my stomach. A: Have you had anything to eat lately? B: I had fried shrimp and clams for lunch. A: Perhaps the food was bad. B: Perhaps, but I haven't felt well for a few days now. A: Has anything been upsetting you lately? B: My stress level is pretty much what is usually is. A: Do you think that maybe you are getting the flu? B: It seems to me like I may have caught a bug.