So, I went to the post office. "Rave On" by Buddy Holly was playing on my car stereo. This is a song from 1958--shame on you if you don't know it.
I parked and didn't realize that there were two little old people in the truck next to me. When I got out of the car, the old lady rolled down her window and said, "Hey man, you're cool." Then she rolled up her window and they drove away.
That is a seriously awesome moment.