On the Sunday, April 11, episode of Sister Wives, the couple discussed adding another child to their unconventional family, which would make Kody a father to 19.
Between his four plural wives — Robyn, Christine, Janelle and Meri — Kody shares 18 children ranging in ages from 4-26 years old. He and Robyn share youngest daughter Ariella, 4, and young son Solomon in addition to Robyn's three kids, whom Kody adopted, from her previous marriage.
Kody's fourth wife, who said she wants to have as many kids as she's supposed to, wanted to see where Kody was at on the matter since she's "not getting younger."
"I'm 41 years old. We need to decide this and now. Like, there's a biological clock ticking," Robyn shared in her confessional."We can't sit here and stall out on this if this is what we're going to do.
"I have days when I'm baby hungry and I really want another baby," she candidly added.
After his wife posed the baby possibility question, Kody said he felt "caught in a conundrum, completely," because he loves being a father but is still exhausted from dealing with their youngest child.
"You know, this is what I've always done, this is what I've always been. I've always been fathering and having special experiences with little people 'cause they're just sweet," he said to Robyn before telling cameras: "It's mental exhaustion. You're arguing with a 4-year-old who has the words of a 10-year-old and the logic of an idiot," referring to Ariella.
After it was clear that he and Robyn were not on the same page, Kody, 52, questioned if their relationship was just solely centered on their kids.
"I want to have a life with you that's not just all about our kids," he said, before asking: "What do you think about that, though? Do you feel like, hallelujah?"
Robyn confessed that she felt a mix of emotions to Kody's declaration. "I feel relieved and sad at the same time," she replied.
In her confessional, Robyn explained that she feels connected to her children in a spiritual way before they are even born. Therefore, if she and Kody decide not to have another kid, she'll worry that she's leaving "somebody behind."
"I believe that we exist in a spiritual form before we are born and come to earth. I believe that I have had interactions with some of my children, you know when they were a spirit ... before they were born," Robyn told cameras.
As for Kody, his wife's "mixed" feelings toward having another child left him feeling uneasy about the whole situation.
He told cameras he felt he was "walking on eggshells here in a way because I don't want to discourage Robyn from us having a baby if she feels a premonition that we should."
And while adoption used to be off the table for Kody — since he was having his own kids with his four wives — he admitted that he is now more open to the idea.
In the end, the reality star couple remained at a stand still.
Sister Wives airs Sundays at 10 p.m. ET on TLC.