It's been 17 months since Ali Fedotowsky said "yes" to Roberto Martinez's marriage proposal on "The Bachelorette." So, er, when's the wedding?
Although Fedotowsky, 27, has blamed the postponements on scheduling conflicts and a kickboxing injury, pals tell the new Us Weekly that the issues run way deeper than that.
PHOTOS: Biggest Bachelor breakups of all time
"Their relationship has been tumultuous since day one," a mutual friend says of the pair, whose nuptials were originally supposed to be a live ABC TV special. "They're either extremely happy or they can't stand each other."
PHOTOS: How Ali and Roberto fell in love
Stressed by long, hectic work hours and more, the duo (now living in San Diego) is prone to big-time fights. "They bring out the worst in each other," another source says.
After one especially ugly spat, "Ali was in tears," a friend says. "She's miserable in the relationship and he is too."
PHOTOS: Ali and Roberto's sexy beach bods
Click through to see more couples from "The Bachelorette" who called it quits.
© 2014 Microsoft