During these past few years—plagued by political strife, social unrest, and, well, an actual plague—many have struggled to find even the tiniest glints of joy. But experts say that incorporating just a little spark can enhance well-being by reducing the risk of chronic illness, strengthening the immune system, and combatting stress. Even if you’re not full of joy right now, you can start shoring up your reserves. Unlike some other emotions, experiencing joy often depends on preparing for it, rather than spontaneously feeling it, says Philip C. Watkins, a professor of psychology at Eastern Washington University. One of the best ways to usher in joy is to strengthen bonds with friends and family. “The most intense joy experiences are probably experienced in relationships,” he says. Filling your life with meaningful…