Following their admission that there was sexual tension between them, a couple from "Married at First Sight" season 4 decided to consummate their marriage. However, things turned a little bad when they began to share some personal things about themselves.

In the upcoming episode, Tom Wilson tells his wife Lillian Vilchez that he lives on a bus. He makes the admission in bed while they are having a conversation about the things that will allow them to know each other more. Wilson also tells Lillian that he is just a simple person who finds happiness in simple things, and that he is not like other people who find happiness in material things like a brand new car. This offends his wife, considering that she has one.

Spoilers for episode 5 suggest that as Lillian learns about these little details about her husband, their intimate moment turns sour.

As for Sonia Grenados and Nick Pendergrast, both feel comfortable around each other despite the misunderstandings. However, Sonia reportedly faces another challenge in their marriage upon knowing that Nick owns two dogs, since she is fearful of them.

Meanwhile, Heather Seidel and Derek Schwartz find their marriage in a big mess. A few days since they tied the knot, Heather finds it hard to deal with her husband's gambling and smoking habits. For his part, Derek has to put up with Heather who seems to be looking for Mr. Perfect. The couple turns to their pastor to help them save their marriage.

"Married at First Sight" season 4 episode 5 airs on Aug. 23, 8:45 p.m. on FYI.