This weekend, two football teams go head-to-head in the biggest sports event on the American calendar.
But this year, the Superbowl isn’t just about two teams. It’s also about two brothers: Jim Harbaugh, head coach the San Francisco 49ers, and John Harbaugh, head coach of the Baltimore Ravens.
Family, football, and millions of fans watching. So how will family dynamics play out in the end? And how will sibling rivalry factor into the story?
Dr. Avidan Milevsky writes for Psychology Today and is the author of "Sibling Relationships in Childhood and Adolescence: Predictors and Outcomes."