It's actually pretty logical from what we know about the human brain... but it's still an interesting wrinkle in the matrix. A researcher has found that bronze medalists tend to be happier than silver medal winners. Note, one could dispute the methodology, but it's something:
Researchers Victoria Husted Medvec, Scott F. Madey and Thomas Gilovich once systematically examined the reactions of Olympic medalists after they had won a silver or bronze medal. They tracked down video footage of dozens of second- and third-place finishers in sports including swimming, wrestling, gymnastics, and track and field. They also obtained footage of medal ceremonies. The psychologists then showed the video to volunteers who were uninterested in sports and asked them to rate how happy the athletes looked.
The volunteers concluded that the bronze medalists looked significantly happier than the silver medalists.
Again, when you think about expectations and how people judge their worth in relation to their peers, it's totally logical.