Manners: Always Gracious, Sometimes Irreverent

Making a good first impression, tipping for a haircut, dispensing with a large handful of cherry pits, and determining the so-called pedestrian passing lane on a crowded sidewalk are just some of the many etiquette conundrums we all face. As liberated as we’ve become in our dress and in our lifestyles, good manners are still essential.

Whether you’re in Boston or in Phoenix, and whether you’re a record producer or a dog groomer, the same quandaries can occur: Who goes through a revolv…