Brooke explained that the main reason for her going on the show was to make a connection with Nation, and if that wasn't happening, there wasn't much point in her sticking around.
"My heart’s like, not in it, and I feel like we’ve sort of backed off from one another because we’ve wanted to allow time for to explore whatever," Brooke said.
"It sucks because I wanted to spend more time with you, but I know all I want for you is for you to be happy, Alex," explained an emotional Brooke.
"Oh god, you’re gonna kill me," Alex said, through tears.
Alex and Richie met on The Bachelor in 2016 and confirmed their split in 2017.
WATCH: BROOKE WALKS OUT AFTER BEING DUMPED BY ALEX ON BACHELOR IN PARADISE