Married At First Sight season 18 has pushed viewers to a new low in terms of what they’ve come to expect from the show, meaning Married At First Sight season 19 needs to make some important changes to improve the experiment moving forward. Throughout the last several seasons of the series, MAFS has had a difficult time matching couples who have been able to stay together outside of the experiment. With only two couples making it past the show’s Decision Day and staying in their relationships in their day-to-day lives, the low success of the MAFS experts has been upsetting.

https://screenrant.com/married-at-first-sight-changes-improve-experiment-op-ed/