Answer:
culture shock
Explanation:
Culture shock: The term "cultural shock" is described as a phenomenon that involves an individual's feelings of confusion, anxiety or uncertainty that he or she experiences while visiting, living, or doing business in some other culture or society that is being considered as entirely different from that of his or her own culture or society. It can often occur from a person's unfamiliarity with the language, acceptable behavior, and local customs, etc.
In the question above, Bruce is experiencing culture shock.