Lukas Gage is Winning Exchangelooking back with regret on his six-month marriage.

The "White Lotus" star, 28, spoke with Andy Cohen on "Watch What Happens Live" about getting married to, and divorced from, Kim Kardashian's hairstylist Chris Appleton within the same calendar year.

"I had a manic episode for six months," Gage said, asking, "What happened to me? I don't know literally what went through my head, but we live and we learn." He also described his behavior as "absolutely unhinged."

Gage denied rumors of infidelity in the relationship, telling Cohen that there "was no cheating." But he declined to share more details about the divorce and implied he couldn't do so because of a non-disclosure agreement.

"There's a three-letter thing that I signed," Gage said.

Actor Lukas Gageand Kim Kardashian's hairstylist Chris Appleton to divorce after 6 months

USA TODAY has reached out to representatives for Appleton for comment.

Gage and Appleton sparked relationship rumors in February 2023, and Appleton confirmed the romance on "The Drew Barrymore Show" the following month. "I'm very much in love, and I feel very grateful to be able to share my time with someone very special," he announced at the time. "Love is a really special thing."

That same month, Gage said on the "Today" show that he was "very happy" and "very much in love." He and Appleton tied the knot in Las Vegas that April, and Kardashian officiated the ceremony. But by November, Appleton filed for divorce from Gage in Los Angeles County Superior Court, citing irreconcilable differences.

Shania Twain performed "You're Still The One" ahead of Gage and Appleton's ceremony, and on "Watch What Happens Live," the actor apologized to the singer "for wasting her time."

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"'You're Still The One' after like three weeks?" he asked. "That was unhinged. That was, like, the biggest waste of her time, but I love you, Shania. I'm really sorry about that."

Gage also apologized to Kardashian and declared it was a "horrible idea" to get married in fur coats. When Cohen asked whose decision this was, Gage replied, "Not mine."

Appleton has also worked with clients like Jennifer Lopez, while Gage has appeared in "Euphoria," "You," and the new remake of "Road House" starring Jake Gyllenhaal.

Contributing: Edward Segarra, Naledi Ushe and Charles Trepany, USA TODAY