'Married at First Sight' is a reality television series that premiered on FYI in 2014. The show follows the lives of couples who meet for the first time at the altar and agree to legally marry, with the help of relationship experts. The show has featured many couples over the years, each with their own unique story.As of 2021, many of the couples featured on 'Married at First Sight' have had varying levels of success in their relationships. Some couples have chosen to stay together and continue to build their lives together, while others have decided to go their separate ways.One of the most successful couples from the show is Jamie Otis and Doug Hehner. The couple appeared on the first season of the show and have been together ever since. They have welcomed a daughter and have been open about their struggles in their relationship and their journey to becoming a family.Another successful couple from the show is Shawniece Jackson and Jephte Pierre. The couple appeared on the show's sixth season and have since welcomed a daughter. They have been open about the challenges they faced in their relationship, but have decided to stay together and continue building their lives together.However, not all of the couples featured on the show have been able to make their relationships work. Some, like Sonia Granados and Nick Pendergrast, have decided to divorce. Others, like Danielle DeGroot and Cody Knapek, have decided to go their separate ways.In conclusion, the couples featured on 'Married at First Sight' have had varying levels of success in their relationships. Some have chosen to stay together and continue building their lives together, while others have decided to go their separate ways. The show is known for its unique approach to matchmaking, where the couples meet at the altar, and the journey of the couples after marriage is always interesting to watch. The show highlights the reality of marriage and relationships, and that it's not always a bed of roses.