Psychology says people who start feeling patriotic during sports matches aren't cheering for a team, they may be experiencing one of the brain's strongest social instincts

Psychology suggests that people who become especially patriotic during sporting events are not simply getting caught up in the excitement. For many, cheering for their country creates a stronger sense of belonging, shared identity, and connection with a community that extends far beyond the outcome of the game.

Raccontata daeconomictimes.indiatimes.com