One of the great cartoons involves two goldfish in a tank talking to one another. One responds in surprise, “wait, there’s water?”
When we don’t see the water, it’s a sign we’re benefitting from being part of the dominant culture. And since we’re not fish, we can learn to see the water and figure out how it is affecting us and the people around us.
Visit a country where they don’t speak English and you’ll probably remind yourself all day that you speak English, something you didn’t have to think about last week. You’ll have to work overtime to understand and communicate. Back home, that stress disappears.