When I moved to Australia in the ‘80s, the sound of g’day was music to my ears.

In New York, where I grew up, you quickly learn to avoid eye contact with strangers. You walk with a purpose, gaze fixed in the distance. Otherwise, you’re likely to become entangled in an unwanted, potentially dangerous encounter. (Don’t get me started on the subway!) But in ‘80s Australia, people were greeting me in stereo. I was naïve enough to think they must have picked me for a foreigner and were going out o...