"Obviously, not having the big conversations before the marriage. I know a couple where the wife wanted to move back home and start a family fairly quickly, while the husband really wanted to keep the fun, city life going. They split up not even a year into the marriage."Iryna Andriiuk via Getty Images"The groom smooshing cake into bride's face at the wedding when she expressly asked him not to. Cliché, I know, but I watched it happen, and it was so awkward. She ended up in tears in the bathroom trying to fix her makeup. He was so drunk he was oblivious. They lasted 14 months.""A couple who cannot sit down and openly and honestly discuss finances cannot stay married. I have learned this over 18 years of practicing law."Oleksa via Getty Images"I was a wedding photographer for 10 years. A number of my clients are now divorced, and the consistent thread is the couples who were more into the photography than the wedding."Nadtochiy via Getty Images"Working too hard to make it look like things are perfect on social media."AmnajKhetsamtip via Getty Images"When they argue and fight while drunk. Like, I'm talking REALLY toxic arguing every time they drink."Maria Tapia-Baez via Getty ImagesNote: Some responses have been edited for length and/or clarity.RelatedRelationshipsdivorceTrending In RelationshipsMore In Life