"To see someone wearing something of significance from a certain past season reflects more about their knowledge and passion for fashion, " he said.

WSJ: The Fashion Piece That Got Away

At some point in life it is important to get out of your own comfort zone, the things you are familiar with, and to see something new through the eyes of someone else.

UNESCO: Biodiversity Initiative

According to Duplease, the analysts may also have to cope with feelings of helplessness, frustration and regret watching an operation on the ground and see something happen or see someone injured hurt or killed and they couldn't do anything to prevent it.

NPR: AP IMPACT: Combat Stress Felt Far From Front Lines