What anxious people need more than anything is peace, especially peace of mind. On Black Friday I went into one of those fancy stores that sells watches. The store was crowded and I could barely make my way to the counter. I was on a mission. I had a watch that needed a battery. I was certain that the last thing any clerk wanted to do on the busiest shopping day of the year was to install a new battery in a watch. Much to my surprise the man said he would be glad to pu…