Sister Wives' Robyn Brown Says Life with Kody Has Been 'Hell' at Times amid Splits but 'He's Doing His Best' (Exclusive)

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In a PEOPLE exclusive interview, Robyn Brown says she feels like her family "failed" by giving up on their polygamous arrangement

<p>TLC</p> From left: Christine Brown, Janelle Brown, Kody Brown, Robyn Brown and Meri Brown of

TLC

From left: Christine Brown, Janelle Brown, Kody Brown, Robyn Brown and Meri Brown of 'Sister Wives'

Robyn Brown is navigating monogamy as best as she can.

The Sister Wives star, 44, is the last of Kody Brown's four wives. Christine Brown was the first to leave the family's polygamous arrangement in 2021, followed by Janelle Brown and Meri Brown.

Monogamy was never something Robyn envisioned for herself when she married Kody, 54, in 2010. But as she navigates this new terrain alongside him, she is also dealing with a partner who is trying to process multiple breakups at once.

Related: TLC's Sister Wives Reflect on the 'Domino Effect' That Toppled 3 of Kody's 4 Marriages in 14 Months (Exclusive)

"No one should be married while they’re going through a divorce," Robyn says in this week's issue of PEOPLE, on newsstands Friday.

"It’s been hell," she continues. "There have been times he’s tried to self-sabotage and sabotage us. I’ve had to work hard not to let him."

<p>TLC</p> From left: Christine Brown, Janelle Brown, Kody Brown, Robyn Brown and Meri Brown of 'Sister Wives'

TLC

From left: Christine Brown, Janelle Brown, Kody Brown, Robyn Brown and Meri Brown of 'Sister Wives'

The breakups have been just as tough on Robyn as they have been on Kody. In thinking of the demise of three relationships within 13 months, Robyn says: "I feel like we failed."

"The commitment we made — we were all in this together," she explains. "We screwed it up.”

Kody, 54, who is father to 18 children from his four marriages, also recognizes his failures as a husband and knows he's partially to blame for the demise of his three marriages.

"I could have done a lot better," he admits.

Related: 'Sister Wives' ' Robyn Says It 'Feels Disrespectful' to Bring in More Wives After Kody's Splits

<p>TLC</p> Robyn Brown of 'Sister Wives'

TLC

Robyn Brown of 'Sister Wives'

To better work through her current situation, Robyn has been seeing a therapist. She also affirms her continued commitment to Kody amid the hardship.

"I never thought I wanted to leave. I know how much I love Kody," she adds. "He's doing his best."

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<p>TLC</p> 'Sister Wives' PEOPLE cover

TLC

'Sister Wives' PEOPLE cover

As for Kody, he's hopeful to stay cordial with his exes regardless of the splits.

"It's been painful, a lot of finger pointing and blame," acknowledges the TLC star. "But you have to hope we still have a friendship in the future. Because we're bound forever through our kids."

For more on Kody Brown, Robyn Brown and Sister Wives, pick up the latest issue of PEOPLE, on newsstands Friday, or subscribe here 

Season 18 of Sister Wives premieres Aug. 20 at 10 p.m. ET on TLC.

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Read the original article on People.