They had so much fun without me. Milko/E+ via Getty Images April 2, 2025 Feeling FOMO for something that’s not even fun? It’s not the event you’re missing, it’s the bonding Jacqueline Rifkin, Cornell University; Barbara Kahn, University of Pennsylvania, and Cindy Chan, University of Toronto Across a series of studies, researchers dug into what really triggered FOMO – and what worked to fend it off.