A 2012 study by Mike Morrison, Kai Epstude, and Neal Roese concluded that regrets about social relationships are felt more deeply than other types of regrets because they threaten our sense of belonging. When our connections to others tatter or disintegrate, we suffer. And when it’s our fault, we suffer even more. “The need to belong,” they wrote, “is not just a fundamental human motive but a fundamental component of regret.”[2]