Married at First Sight star Luke Cuccurullo admits it was hard to watch his wife Kate Sisk compare their marriage to the other three couples on Season 8.

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On Tuesday night's Married at First Sight: Unfiltered hosted by Season 1 MAFS participant Jamie Otis, Luke watched back a clip of the four couples enjoying a dinner together during their honeymoons in Costa Rica.

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"Watching the other couples, it's a bit frustrating because they seem to have the same sense of humor and they're talking so much, and the other wives are affectionate with their husbands, so I was a little bit jealous about that," explained Kate, who had yet to kiss her husband since exchanging vows at the altar.

"It feels like Luke and I don't have the same level of affection."

Jamie then asked Luke whether he was also jealous of the other couples because of their apparent chemistry right off the bat.

"I knew going into this, there were going to be a bunch of other couples involved and I kind of took a step early to not compare myself to the other couples, and I noticed immediately when we sat down with the other couples that  Kate was just sizing us up and comparing immediately, and I felt really bad about that -- like instantaneously," Luke confessed.

Luke was joined on Married at First Sight: Unfiltered by his co-stars Jasmine McGriff and Keith Dewar.

On her marriage with Will Guess, Jasmine admitted, "I compared us a little bit when it came to just the chemistry of everyone."

"I could see exactly why [AJ Vollmoeller and Stephanie Sersen] were together," Jasmine continued.

"And I could see why Kate and Luke were together. I could see [Kristine Killingsworth] and Keith. I feel like everybody had good chemistry, and so I feel like at least there was a good start."

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Speaking of chemistry, Keith and Kristine had no problem with public displays of affection and kissing each other early on.
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"That is not me," Keith surprisingly admitted of his televised lovefest with Kristine. "It was way out of my comfort zone, but Kristine made me feel comfortable. So, I was cool with it."

Jamie then acknowledged, "I think Kristine felt a little awkward too. She said that previously. And it's a great talent you guys had to sort of just let that slide and continue on. Luke, I can speak for both of us -- we don't have that talent."

Jamie's joke was a reference to how she wasn't attracted to her husband, Doug Hehner, upon meeting him for the first time on their wedding day during Season 1 of Married at First Sight.

It took Jamie quite a while to warm up to her husband and find a connection between them, mainly a physical one.

"Well, Jasmine said [Kate] and I had great chemistry," Luke pointed out with sarcasm. "She was jealous of us! So I don't know if you were paying attention there, [Jamie]."

Everyone then burst into laughter and Jasmine clarified, "I didn't say I was jealous, but I thought you guys had great chemistry. I thought it was good; I didn't realize it was so awkward."

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"I mean, Kate said herself though that she didn't feel that way," Jamie noted.

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"No, I get it. But yeah, no, that's not how it felt," Luke said.

Married at First Sight's eighth season currently airs on Tuesday nights on Lifetime.

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