B: I have a major stomachache

A: Did you eat something strange?

B: I had spaghetti with clam sauce for lunch.

A: Maybe you have food poisoning.

B: Yes, that could have been it, but I haven't been feeling that great for 

the past few days.

A: Are you under a lot of stress?

B:Not really. Things have been going OK.

A:Maybe you have a touch of the flu.

B: I think that I might be getting the flu.