When Dave said he had mutual friends with two of Lauren's exes, she said they were never official boyfriends. However, Dave struggled with the fact that his fiancé was talking with another man shortly before appearing on "Love Is Blind," especially since he hadn't had a girlfriend in four years.

"You see him question my dad and it's his friends and it's his sister, and it's all of these things," Lauren O'Brien tells PEOPLE of ex Dave Bettenburg's reasons for ending their engagement

For Dave Bettenberg and Lauren O’Brien, their relationship struggled the second they got out of the pods. Pressure from his sister and knowledge that Lauren had a “friends with benefits” situation just before coming on the show evolved into a tornado of complications for the engaged couple.

Lauren O’Brien tells Glamour everything that went down off camera, including a run-in with the guy claiming to be her preshow boyfriend.

Newly engaged couple Dave and Lauren clash over Lauren's dating history in the latest installment of episodes from Season 8.

Love Is Blind season 8 couple Lauren O’Brien and David “Dave” Bettenburg struggled through almost all of their time together after leaving the pods. One of their biggest issues was Dave’s sister not approving of his relationship with Lauren,

In an interview with Us, Love Is Blind’s Lauren O’Brien answered burning questions about her breakup from Dave, including why they were in a movie theater

I t’s probably for the best that Dave Bettenburg and Lauren O’Brien realized they weren’t a good match before they got to their wedding fittings in Love Is Blind season eigh