Destroy the idea that children bullying each other equates to affection.
Aggressive behavior can be carried into adulthood where things get more dangerous.
It’s not cute when a child gets smacked around.
This goes for every child on child interaction-be it a girl bullying a boy, or visa versa, a boy bullying a boy, or a girl bullying a girl.
Bullying/harassment is NOT an indicator of affection of any sort.