It started 476 a.d thats the answer
examples of food borne illnesses
Modeling is the answer youre looking for.
In this scenario, Keith appears to be having normal thought processes.
His behavior would not be considered delusional because his concern about his boss not inviting him to lunch was explained, and it made sense to him. If he was experiencing delusional disorder, he would not be able to shake off the feeling, even with a logical explanation.
