In a new sneek peek for the upcoming episode of FYI's reality TV social experiment "Married at First Sight," the stress from the wedding ceremony and reception is over, but it quickly turns into nerves as the three arranged couples prepare to spend their first nights together alone as husband and wife and set off on their honeymoons.

For couple Tres Russell and Vanessa Nelson, mutual attraction runs high, but Nelson seems on the fence about whether she wants to consummate her marriage with Russell during their first night together.

"I'm a little nervous about sleeping with Tres tonight," Nelson says in her on-camera interview, as a clip shows Russell helping his new bride unzip her wedding dress.

"I would 100 percent be down for consummating the marriage," Russell says.

Meanwhile, Ashley Doherty is no longer struggling to find her new groom David Norton physically attractive, as previously reported by HNGN. She looks more comfortable with Norton on their wedding night as the couple laughs in bed together in the clip.

"I'm really blown away at how well he's treated me," Doherty says.

But mutual attraction is now an issue in Samantha Role's marriage to her new husband Neil Bowlus, and she has no problem being open and honest about it.

 "I don't know if you can sense anything, but I'm not physically attracted to you," Role tells Bowlus bluntly.

Watch the sneak peek below, and be sure to catch the next episode of "Married at First Sight," airing Tuesdays at 9 p.m. ET on FYI.

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