TLC's 90 Day Fiancé has been home to several controversial couples since its debut, and fans still obsess over many of them. Some of these couples have been deemed mismatched, have large age gaps, or are toxic. Others have been criticized for their abusive behavior, cheating, lying, and criminal convictions. Despite the criticism, many of these couples have somehow remained together, while others have parted ways for good.
https://screenrant.com/90-day-fiance-5-controversial-couples-fans-obsessed/