Four ways to find joy in a unique holiday season Mental health. Experts from the University of Pennsylvania’s Positive Psychology Center offer four strategies to stay upbeat and find joy this holiday season | 09 Dec 2020 | 02:09 In a December like no other, with the pandemic preventing many of the gatherings typically associated with this time of year, holiday season 2020 is unique, says Karen Reivich, director of resilience training for the University of Pennsylvania’s Positive Psychology Center (PPC). She says, “In any given year, the holidays have highs and lows. Those are just the holidays. But this one is going to be different.”