Dr. Alduan Tartt, licensed clinical psychologist and minster, analyzes Marriage At First Sight couple Shawn and Nikki and why Shawn misses so many social cues and Nikki can't tell him that she is unattracted to him and is only there for his financial security. Married at First Sight Season 20: Can Nikki and Sean's Marriage Actually Be Saved? By the time Nikki and Sean reach their wedding night on Married at First Sight Season 20, the mask is all the way off — he is chasing ph