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Rob Kardashian Lovingly Flexes His Dad Skills on Blac Chyna's Son King For His Potty Mouth

Kids say the darnedest things!

Rob Kardashian flexed his soon to be parenting skills on Instagram thanks to a video Blac Chyna shared.

In the video, which Chyna wrote she was initially "hesitant" to post, Rob and King are spending some quality time together when the toddler does exactly what every other kid his age has done when they're parents aren't looking.

"S--t!" King says, to which Kardashian immediately responds, "What did you say?"

"I said, 's--t!'" he replies in a hilarious innocent tone.

Th soon-to-be-dad- quickly shut it down with a calm manner and a few wise words. "You can't say that. Don't say that. That's a bad word. Mommy's going to get really mad at you."

Chyna had no problem with her hubby stepping into help. She caption the video, "But overall I'm so happy & blessed to have Robert here willing to help teach King right from wrong."

Watch the video below.