Culture is a condition of confusion and anxiety affecting a person suddenly exposed to an alien culture or milieu. There are many different ways to experience culture shock. It can be experienced across the world or as near as one's backyard. Many Americans would venture that they consider themselves very culturally accepting. Often, when these same Americans travel abroad, they experience culture shock. It is not always a negative thing. Often to some American coming to Japan and adjusting to life in Japan can be difficult, since even the most mundane things could be done differently than they would have been done in the U.S, so here are some basic facts of Japan. And remember be patient.
Home.
When entering a Japanese home you are expected to remove your shoes before stepping up from the entry area into a Japanese home known as the genkan. There in the genkan you must change from outdoor shoes into indoor slippers. When entering the genkan, you have to remember to step out of your shoes, and step into the house proper. Then you must turn around, kneel or bend down, and turn the outdoor shoes around so that they face the door, ready to be slipped into again when they leave. This custom is also required in many traditional Japanese restaurants, all department store dressing rooms, temples, and a few other businesses.
On an extra note it is wise to buy clean socks since you will be taking off your shoes when you enter homes or some resteraunts. And you don't want to embarrass yourself with dirty socks.
Food.
In the U.S many people carry their lunches in lunchboxes, but in Japan people use Bento boxes which are pre-prepared lunches, sold in every convenience store in Japan or brought from home. Usually a bento box consists of a box divided into several sections, containing perhaps, noodles, rice, pickles, meat or fish, and maybe a little fruit. If there is a need to heat their lunches almost all stores also have a microwave so that you can