'Married At First Sight' season 4 episode 11 spoilers: trust is put to the test next episode

A promotional image for "Married at First Sight" Facebook/MarriedAtFirstSight

"Married at First" season 4 episode 11, titled "To Love and to Cherish," will see the three couples re-evaluate their relationships and undergo several tests to determine how much they trust each other. It will also see Heather regretting the decision to immediately divorce Derek just days after they got together.

The official preview of the episode reveals that all three of the couples are experiencing some level of trouble in terms of communication, and this is most apparent between Tom and Lillian. In the preview trailer, Tom directly tells the audience that he has problems talking to Lillian because she is always on her phone to the point where it is overwhelmingly annoying.

However, they are likely to be the only pair that lasts as the two others are showing signs that they may go their separate ways before the show is over, evident with Nick and Sonia.

Heather and Derek got divorced just a few days after the series began, but the clip reveals that the former might be regretting that decision. In the preview trailer, she states that she states that Derek "isn't a bad guy" and that she may have misjudged him early on.

Nick and Sonia, on the other hand, are undergoing a shift in their relationship following the previous episode where they confessed they had indeed gotten intimate. Nick previously lied about them having sex, stating he wasn't one to kiss and tell. However, the couple has been living apart and this may cause them to divorce.

The consultant does explain that they will need to get together soon because the longer they are apart the harder it would be for them to reconcile and get back as a couple. It is unclear if Sonia even wants to give their relationship another try.

"Married at First Sight" season 4 episode 11 is scheduled to air on Tuesday, Oct. 4, at 8:30 p.m. ET on FYI.

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