It may seem likeKimandKourtney Kardashianhave made up sincetheir epic showdownonKeeping Up with the Kardashiansaired in August, but watching your intimate family fights on national television can seriously complicate matters.

Kim, 37, opened up about how the famous siblings feel watching tense moments on the show Tuesday during supermodelAshley Graham‘snew podcast,Pretty Big Deal.

“When you watch it, you get heated all over again. We literally start fighting all over again over the same thing,” she said, adding that usually between four and six months have passed between when a scene has been shot and when it’s broadcast.

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The mom of threeexplained that “even if we like are so crazy mad at each other, it won’t be long before we’re all good. The fact that so many people text me even now if a rerun comes on, they’re like, ‘Are you and Kourtney okay?’ And I’m like, ‘We went on vacation together. This has been months since we filmed that.’ ”

Kim then talked about the early days of the reality show and the subtle ways in which her family members, especially her mother,Kris Jenner, predicted its success.

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The KKW Beauty mogul also revealed who was the most reluctant to do the show: Kourtney, who eventually “gave so much of herself because she genuinely doesn’t care what anybody thinks about her,” she said, adding with a laugh, “She should sometimes.”

The nasty exchange between Kim and Kourtney, 39, came at the end of the premiere of the current season. Kourtney would not change her schedule to accommodate Kim’s efforts to plan the annual family Christmas card shoot because she wanted to spend more time with her kids —Mason, 8,Penelope, 6, andReign, 3 — which frustrated her sister.

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“No one wants you in the f—ing shoot. Get the f— out of here and go,” Kim said on the show. “I need Kourtney to not be so f—ing annoying with a stick up her a— like she f—ing runs this s— because she doesn’t. She’sthe least exciting to look at.”

Tweeting live as the episode aired, Kourtney told her followers, “Watching this fight actually gives me chills,” and “It’s not normal to have to relive this stuff.”

Then, Kourtney brewed up some off-screen turmoil: “We all have our own priorities,” she tweeted. “Mine is being a mother.”

Kim shot back, “And mine is not? The shoot was with our kids!!!!! My #1 priority is being a mother as well and I can work too, so can you!”

Kourtney then went on the defensive, responding to her sister: “And i do. But i wasn’t wanting MORE work, i already felt spread thin. Being a good mother also has different meaning to each of us. You’re an amazing mother, I’m not taking that away from you.”

source: people.com