If your kid actually wins the fight, it humiliates the bully, then there's a risk that it will escalate. If your kid just gives the bully a few bruises but ult

If your kid actually wins the fight, it humiliates the bully, then there's a risk that it will escalate. If your kid just gives the bully a few bruises but ultimately loses the fight then they've sent the message that they're not an easy target, and the bully has saved face.