Kids need to learn from an early age that bullying is not acceptable. Getting that lesson straight from the bullied kid is the most effective method.

In short, don’t start shit, won’t be shit.

Exactly. They understand getting smacked by the kid they are bullying makes the bullying less fun than it used to be. Surely you can understand what a four year old can?

Because you compared them

Spoken like someone who doesn’t know shit about ecology