Me: “Good afternoon, ma’am. How many books of these stamps?”

(As I ask the customer this, “Yellow Submarine” by the Beatles begins playing on a nearby radio.)

Lady: “Oh my gosh! I love this song!”

Me: “That’s great. Now, how many books of–”

Lady: *begins to dance towards the door*

Me: “Uh, okay ma’am, don’t forget your–”

Lady: *dances out of post office, leaving her purse on the table and the rest of the customers confused*