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On August 21, more than 11,000 Olympic athletes will leave Rio, some carrying medals, others lugging the weight of falling short of expectations. Despite their varying degrees of success, many will have the same surprise waiting for them back home: a feeling that life suddenly seems ordinary. This emotional drop, in its most acute form, might be called post-Olympic depression--or, to borrow a phrase from the sports psychologist Scott Goldman, the director of the Performance Psychology Center at the University of Michigan, an under-recovery. "Think about the rollercoaster ride prior to the Olympics, and just how fast and hectic that mad dash is," Goldman says. "This ninety-mile-per-hour or hundred-mile-per-hour ride comes to a screeching halt the second the Olympics are over. And when it's all said and done, they're just physiologically depleted, as well as psychologically."