Sibling rivalry is as old as parenthood itself. Whether it’s over toys, chores, or who gets the last slice of pizza, brothers and sisters know exactly how to push each other’s buttons.

When Washington mom Sunny Jo Konop saw her two boys clashing, she tried a parenting trick that stopped the squabble in its tracks—and built a moment of connection neither of them expected.

Her video of the boys jogging side by side quickly went viral. At first, it looked like punishment: two kids forced to run a mile together. But by the end, the tension was gone, replaced with laughter. What started as discipline turned into a lesson in teamwork and brotherhood.

Why running side by side works

Sunny’s idea taps into something psychologists have long understood: movement changes mood.

A study published in the The International Journal of Environmental Research and Public Health found that even short bursts of physical activity can improve children’s emotional regulation and reduce tension.

But Sunny added her own twist: the boys had to run in step, side by side. That mattered. Matching pace removes the urge to compete and turns running into a shared challenge. Instead of fighting each other, they were suddenly working together toward the same goal.

Boston-based pediatric psychologist Keneisha Sinclair-McBride told TODAY that this approach is powerful because it blends structure, teamwork, and movement. Running together gave them a chance to release tension while practicing how to stay connected when emotions ran high.

Related: 6 expert ways to stop sibling rivalry

What it says about sibling fights and lifelong bonds

Every parent knows sibling fights are inevitable. Research shows these conflicts can actually help kids develop empathy and negotiation skills—if guided in the right direction.

That’s what Sunny was really doing. She wasn’t erasing the conflict, but redirecting it into a shared experience. The run gave her sons a way to move past the heat of the moment, laugh together, and remember they’re teammates at the end of the day.

Her words captured the heart of it: “When Dad and I are gone, they’ll only have each other.”

What parents can take away

Not every child will respond to running a mile, and not every parent wants exercise to be part of conflict resolution. But the deeper lesson is about finding structured, shared activities that reconnect kids after a fight.

That could look like:

  • Walking the dog
  • Baking cookies
  • Raking leaves
  • Building a Lego set

Research in Child Development shows that cooperative activities—where kids rely on each other to succeed—strengthen sibling bonds and reduce conflict over time.

The key isn’t the activity itself. It’s creating space where kids shift from opposition to collaboration.

Related: Help your kids solve sibling fights—without affecting your own relationship

The heart of the viral moment

In Sunny’s video, what begins as two boys running off their anger turns into something else entirely: laughter, rhythm, and a reminder that they’re stronger together. Parents online called it “parenting gold” for a reason.

Parenting isn’t about preventing every squabble. It’s about teaching kids how to work through conflict, repair their bond, and keep moving forward side by side.

Sometimes that looks like a run around the block. Other times it’s folding laundry together, or sharing the last cookie.

Sources:

  1. The International Journal of Environmental Research and Public Health. 2022.The Effects of Physical Activity on Positive Emotions in Children and Adolescents: A Systematic Review and Meta-Analysis