From that wonderful (and always correct, hahaha) resource, Wikipedia:
Phases of culture shock
Honeymoon Phase - During this period the differences between the old and new culture are seen in a romantic light, wonderful and new.
Negotiation Phase - After some time (usually weeks), differences between the old and new culture become apparent and may create anxiety. one's native country, may find the pace of life too fast or slow, may find the people's habits annoying, disgusting, and irritating etc.
Adjustment Phase - Again, after some time (usually 6 - 12 months), one grows accustomed to the new culture and develops routines.
There are three basic outcomes of the Adjustment Phase:
1 - Some people find it impossible to accept the foreign culture and integrate. They isolate themselves from the host country's environment, which they come to perceive as hostile, withdraw into a ghetto and see return to their own culture as the only way out. These Rejectors also have the greatest problems re-integrating back home after return. Approx. 60% of expatriates behave in this way.
2 - Some people integrate fully and take on all parts of the host culture while losing their original identity. They normally remain in the host country forever. Approx. 10% of expatriates belong to this group of Adopters.
3 - Some people manage to adapt the aspects of the host culture they see as positive, while keeping some of their own and creating their unique blend. They have no major problems returning home or relocating elsewhere. Approx. 30% of expatriates are these so-called Cosmopolitans.
You can read the full article here:
<a href=
http://en.wikipedia.org/wiki/Culture_shock target="blank">http://en.wikipedia.org/wiki/Culture_shock</a>