Revers Culture Shock

I have some reverse culture shock when I returned to Japan. First, the size of house is small. Of course, there were 25 people in my dormitory, so it was very big. When I was in Japan, I had never felt that my house was small, but I felt my house was a little small when I came back to my home because my dormitory was very big. Also, the furniture are very big, too. I liked a big and fluffy sofa that can sit 4 people. I want to sit and lie in the sofa again. Second, all voice that I can hear in my life and traffic signs are all Japanese. Of course, it is obvious because I am in Japan. It was very hard to translate everything when I was in America, but I got used to it and I felt my English skill was improving little by little. Also I was happy because I could find new vocabulary and new phrase everyday in my life, so I am a little confused because I can understand all word very easily without looking up words now. Third, I am in Japan. I was very looking forward to study abroad, so I was so happy to stay in the U.S, but I returned to Japan when I got used to stay in the U.S. It was a dream time for me and I had very good time in Spokane, but I was returned to reality. I realized I really came back to Japan. I was happy to meet my family, but I wanted to stay in the U.S more! I am surprised that I have some reverse culture shock.