That irritated Hicks and he didn’t know why. He was the average mortal. It troubled him to get used to the world one way then suddenly have it turn different. (39)
Hurston, Zora N. Their Eyes Were Watching God. New York: Perennial Library, 1990. Print.
The language at the end of the quote emphasizes the experience of a human by simply explaining the changes that happen through time. Although it does not explain that he is describing time and change out front, it can be drawn from our own human experience, what he is talking about.