Robyn Brown wants Kody Brown to be present for all his children.

That’s why the 46-year-old—who shares Dayton , 25, Aurora , 23, Breanna , 21, Solomon , 13, and Ariella , 9, with the Sister Wives patriarch—is trying to bridge the distance between the father of 18 and his kids with former sister wives Meri Brown , Janelle Brown and Christine Brown .

"I nag him about interacting with his other children," Robyn said in E! News’ exclusive preview of Sister Wives ’ Sept. 28 episode. "He pushes back, tells me to give him space."

For his part, Kody noted that he would "really love to have a better relationship" with not only the children he shares with his exes, but with his former spouses themselves.

"I literally just compartmentalize the heartbreak," he

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