How Many Kisses?

You must remember this: you were going in for a double European-style greeting kiss with a friend who was expecting only a single cheek peck. It's an awkward question that constantly creates trouble for travelers: How many times should you pucker up? Here's a handy guide:

One: A single buss is acceptable in the U.S., but it's mostly a big-city phenomenon. Women will give a brief hug, while men shake hands. In the Middle East, one kiss on the lips is a normal greeting, but not between men and women.

Two: Double up...