I was born and grew up in Japan, and now I'm living in America. My change which is effected by American culture is I lost the sense to care the age which other people have. In Japan, people are really care about age because culturally they have to be formal to older people even only 1 year or 2 years older. But at America, everyone is just like "Hey! What's up man!" lol. I don't mean the culture is bad. In fact, I could get a lot of friends who are much more older than me. It is a pretty surprised stuff in Japan. Now, I feel "Why do Japaneses care about the age so much?" even I am a Japanese lol.