On last night's episode, the MAFS grooms enjoyed a 'boys night', one where self-confessed 'millionaire' Justin makes the shocking confession to fellow contestants.
Initially, Justin tells the other men in the experiment that he and Carly had decided to "take a few days apart" to "chill out" and get their heads "nice and clear."
"I'm trying to force it because it's not happening naturally," he adds about trying to forge some form of intimacy between himself and Carly.
The cameras then cut Troy, who reveals: "I don't know what's up with Justin, because the first time I saw Carly, I thought she was great."
Justin then continues: "She's just not the type of girl I would normally approach outside of the experiment."
At this stage, Dean – who caused controversy earlier this month when he cheated on his partner Tracey with Davina – asks Justin a shocking question: "If you could have any other wife in the experiment, who would it be?"
39-year-old Dean, who caused controversy earlier this month when he cheated on his partner Tracey with Davina – revealed he'd also been attracted to Carly in the past.
Instead of reacting angrily, Justin then claims he feels Carly is "like his little sister." Before he strangely reveals he thinks his wife is more attracted to Dean and Troy.
But if the moment isn't awkward enough, Justin goes on to drop a major bombshell - he's very into Ashley.
Dean interjects, 'What about Tracey, she's hot?'
"Does anybody want to bang Tracey," he yells.
Justin adds, "I don't want to be disrespectful, but I'm open to it."
"I'd pick Ash," he concludes.
"Wife-swap them," one of the other boys yells.
Things are set to become really uncomfortable as the girls find out about the dramatic conversation in tonight's episode.