Jason Mesnick, The Bachelor, Season 13
At the end of season 13, Jason told Molly Malaney that he was "in love with somebody else." He later got engaged to Melissa Rycroft, but then decided that he changed his mind, ending the relationship with Melissa and getting back together with Molly.
Juan Pablo, The Bachelor, Season 18
Though Juan Pablo chose Nikki Ferrell at the end of season 18, he didn't get down on one knee. Then on the After the Final Rose show, Nikki shared that Juan Pablo still hadn't said "I love you" to her.
Arie Luyendyk Jr., The Bachelor, Season 22
After proposing to Becca Kufrin on season 22 of The Bachelor, Arie Luyendyk Jr. decided that he had "a change of heart." Arie shared with Becca that he wanted to reconcile with runner-up Lauren Burnham, to which she replied, "Are you f--king kidding me?"
The duo's relationship came to an end on the emotional season finale, with Arie and Lauren later getting back together.
Colton Underwood, The Bachelor, Season 23
On the first half of the season 23 finale, we saw Colton end his relationships with both Tayshia and Hannah. The tearful goodbyes were followed by live reunions between Colton and Tayshia and Colton and Hannah, during which the women attempted to get answers about their respective relationships. The episode ended with Colton declaring to win Cassie back.
Rachel Lindsay, The Bachelorette, Season 13
On the season 13 finale of The Bachelorette, Rachel Lindsay and Peter Kraus had a tearful discussion about getting engaged.
"I don't know what I want to do tomorrow, because that is one day that means the rest of my life," Peter told Rachel.
After ending her relationship with Peter, Rachel went on to get engaged to Bryan Abasolo on the finale.
Carly Waddell & Kirk DeWindt, Bachelor in Paradise, Season 2
During the Bachelor in Paradise season two finale, Kirk shocked Carly (and everyone!) when he decided to end their relationship. The tearful goodbye led to Carly immediately packing her bags and leaving paradise.