My wife is convinced that I live in a cloud, a mostly opaque cloud.  I just don’t notice things.  She has a point.  The shoes that man was wearing, the pattern on that woman’s blouse, those visible panty-lines on those tight leggings (okay, maybe I noticed those visible panty-lines, but where she sees an unwelcome flaw, I see … well, let’s just call it a difference in aesthetics).  We can walk side by side down a sidewalk in a busy city and we might as well be...