Married at First Sight 'Married at First Sight' expert Dr. Pepper Schwartz: I don't think Luke Cuccurullo is an honest guy 02/21/2019 Married at First Sight expert Dr. Pepper Schwartz apparently isn't a fan of Luke Cuccurullo's behavior in his marriage to Kate Sisk. Read More RELATED NEWS 'Married at First Sight' alum Jasmine Secrest engaged again after Airris Williams divorce'Married at First Sight' recap: Ikechi says Emem violated his sexual consent, Camille and Thomas consummate'Married at First Sight' Couples: Where are they now? Who's still together? (PHOTOS) TAGS: Luke Cuccurullo Keith Dewar Will Guess Kristine Killingsworth Jasmine McGriff Jamie Otis Stephanie Sersen Kate Sisk AJ Vollmoeller