India, Aug. 1 -- Wearing a red football jersey every game day? Normal. Knowing the lyrics to all of Taylor Swift's songs and dancing to Love Story? Normal. But fighting strangers, friends and family because they believe DC makes better movies than Marvel, or that Chelsea saves goals better than Liverpool, or that Danish Sait is overrated? You may want to check yourself, Stan.

Fandoms are wonderful things. They help you find your tribe, make you believe in something larger than yourself. Daniel Wann, who researches the psychology of sports fandom at Murray State University in the US, describes being a fan as a "very psychologically healthy activity," in his public posts. Being around like-minded people lifts us up. It satisfies our human ...