In the 90 Day Fiancé franchise there are a lot of couples who are currently on the brink of breaking up, and their relationships may not last the year. The success rate of the 90 Day Fiancé franchise is surprisingly high, and there have been several successful marriages to come out of the show. There’s even a steadily-growing second generation of franchise stars, as cast members have welcomed many children as well.

However, despite the happy endings, the have also been many disastrous breakups. Due to the premise of the franchise, it’s no surprise that many relationships were not genuine, where one partner desired a Green Card, not a spouse. Even the relationships that formed because of real love don’t always last. Some couples just can’t seem to make it work, and their breakups are the most tragic of all.

Related: 90 Day Fiancé Couples Who May Be Staying Together For Their Kids

There are also a handful of couples in the 90 Day Fiancé franchise whose relationships seem to be teetering on the edge of failure. Though they’re still together now, the odds are against them, and many are already showing signs that a breakup is imminent. These franchise couples haven’t split up yet, but things aren’t looking good for them either.

Tiffany Franco & Ronald Smith

Ronald Smith Tiffany Franco Smith 90 Day Fiance Happily Ever After

Ronald Smith and Tiffany Franco may be the ultimate on-again-off-again couple. They’ve broken up and gotten back together before, and it’s clear that their feelings for each other run deep. Currently, the 90 Day Fiancé: The Other Way couple claims to have reconciled, but that may not last. In the past the two have aired some seriously dirty laundry about each other on social media, and ultimately Tiffany and Ronald may not be able to overcome their geographic distance and the ways they’ve hurt each other.

Steven Frend & Olga Koshimbetova

Steven Frend and Olga Koshimbetova talking to the camera in 90 Day Fiance Love Games

This 90 Day Fiancé season 6 couple were not beloved by fans, because many disapproved of the way Steven Frend treated his pregnant fiancé Olga Koshimbetova. Though viewers had their doubts, the couple stuck it out long enough for Olga to move to America. However, Olga and Steven went through a period of separation not long after. They’ve since gotten back together and are expecting their second child together. But the two have admitted that the pregnancy was unplanned, and that they were still having difficulties in their marriage.

Kalani Faagata & Asuelu Pulaa

Asuelu Pulaa Kalani Faagata 90 Day Fiance

Kalani Faagata and Asuelu Pulaa have been tight-lipped about their relationship status recently, and a lot of fans think the 90 Day Fiancé: Happily Ever After? couple is on the brink of a divorce. Though the 90 Day Fiancé franchise couple has always had problems, things seem to have gotten worse this year. Fans were concerned with the couple’s defeated demeanor on a recent episode of 90 Day Diaries, and Asuelu even stopped following his wife on social media and blocked her. There’s no confirmation that Kalani and Asuelu have split up, but it’s looking more and more like they have.

Related: 90 Day Fiancé: Happily Ever After Couples Who Broke Up

Russ & Paola Mayfield

Paola Mayfield and Russ Mayfield on 90 Day Fiance sitting together on couch

As one of the 90 Day Fiancé season 1 couples, Russ and Paola Mayfield have been married for several years, but not all of those years have been happy. The couple has seen hard times together, and though they are committed to raising their son Axel, Russ and Paola’s relationship has been rocky. Last year they separated for several months but decided to get back together. Still, they’re not on solid ground, and fans think they may break up for good eventually.

These 90 Day Fiancé couples might still be together, but there are signs that a breakup is on the horizon. Hopefully they can manage to work through their issues and strengthen their relationships. However, not all marriages are meant to last, and for some of them it may be better to go their separate ways.

Next: 90 Day Fiancé: Couples That Hit Turbulence After Having Kids Together