On tonight's episode of FYI's hit reality TV series "Married at First Sight," all three couples have moved in with their spouses and the arranged newlyweds prepare to meet their in-laws for the first time since their wedding ceremonies. However, each couple struggles with their own problems and are forced to call on help from the experts who matched them to work through their differences.

Samantha Role & Neil Bowlus
Although Samantha Role and husband Neil Bowlus seemed to have made small steps towards improving their relationship in the last episode, the couple still cannot get along. Role, who has been very blunt with her husband since telling him she wasn't physically attracted to him in a previous episode, takes on the same blunt approach when confronting Bowlus about his change in demeanor.

"I know two Neils, the cool Neil and then I know camera Neil," Role tells Bowlus as the couple stand in their kitchen. "It's fake to me."

The couple then seek help from expert Dr. Pepper Schwartz. Schwartz asks the couple if they're both still committed to their marriage.

"I am," Bowlus says and looks over at his wife who remains silent.

Ashley Doherty & David Norton
Ashley Doherty and David Norton are another couple struggling with mutual attraction, but Norton has been patient with his new wife and respected her boundaries. Just as Doherty seems comfortable enough to allow Norton to lay in the same bed with her, he loses his temper when discussing his father's death.

"Why are you so grumpy?" Doherty asks Norton.

"Cause my dad died, that's why," says Norton as he gets out of bed, storms off and slams the door behind him.

Vanessa Nelson & Tres Russell
Physical attraction came easily for Vanessa Nelson and Tres Russell, but Nelson doubted whether Russell was mature enough to take marriage seriously after learning about his playboy past — a doubt that resurfaces after Russell admits to getting drunk.

"In my mind, you're still not ready to be a husband," says Nelson.

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

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