Homeliness of Homeland

Usually people feel "at home" in their "homelands." But what is the nature of this at-home-ness or at-ease-ness? How does this feeling develop psychologically?

Lectures at the driving school are not very interesting. I mean, lecturers keep speaking without giving us time to ask questions. And like every Japanese elementary, junior high, or high school, we have to stand up and bow to lecturers at the beginning and end of class.