…often am a bit embarrassed about my natural response and reactions to things.  For instance, the Japanese word for ‘yes’ is ‘hi.’  So when the guy at the train station waved me through the queue with an enthusiastic ‘hi’ (merely affirming that I was good to go) and I responded happily with an equally enthusiastic, ‘hi’ (meaning hello to you, too!) I was suddenly embarrassed.  He wasn’t saying hi to me at all…