EXCLUSIVE: Kristin Cavallari Talks Working on Marriage With Jay Cutler: 'We Don't Have a Perfect Relationship'

Kristin Cavallari is carrying on as best as she can.

The Hills star, who recently opened up to ET about losing her brother, also discussed the state of her marriage with Chicago Bears Quarterback, Jay Cutler. The mom-of-three admits that while family is her rock, their relationship is something they work to keep strong.

"I'm very honest about the fact that we have problems," the 29-year-old reality star candidly tells ET. "We don't have a perfect relationship."

EXCLUSIVE: Kristin Cavallari Opens Up About Her Brother's Death: 'I Couldn't Collapse, I Had a Newborn Baby'

Part of that imperfection happened before the two tied the knot in 2013. “We got engaged after 8 months, and then broke up just a couple months later,” Kristin admits.

"At the time, I thought, 'I'd rather figure it out now than further down the line, after we get married, and have kids, and it blows up in our face,'" she reasons. "That was a risk that I was willing to take when I cut off the engagement."

"It was the best thing that's happened to my relationship," the former Laguna Beach star adds.

WATCH: Kristin Cavallari on Her Car Crash Injuries: 'Not Being Able to Hold My Baby Is Absolutely Killing Me'

For now, Kristin is open about how the couple handles their struggles with professional help.

"We still see our therapist occasionally," she continues. “We've picked up some really great tools from her."

As for the couple’s kids -- Camden, 3, Jaxon, 1, and Saylor, 4 months -- Kristin believes they find it normal to have a mom on TV and dad in the NFL.

EXCLUSIVE: Kristin Cavallari's Brother Michael Arrested Days Before He Went Missing

"They probably just think that everyone's parents are on TV," Kristin says. "I don't think they really understand."

Kristin also discussed her current relationship with former reality show alum, Lauren Conrad, admitting, "It's been a while since I've seen her or talked to her."

"I know she just got married recently," she adds. "It's a very exciting time for her life, I'm sure."

WATCH: Michael Cavallari's Death Ruled an Accident, Autopsy Report Says He Died of Hypothermia

Meanwhile, Kristin has a lot going on as well, with her shoe and jewelry endeavors into fashion, as well as her new book, Balancing in Heels, where the TV personality offers a candid look into her own life, including past body image issues.

"Luckily, I've never had a severe eating disorder," Kristin explains, noting however, "I did every diet, and I was always counting calories and beating myself up any time I would binge eat.”

WATCH: Kristin Cavallari's Brother Michael Found Dead: A Timeline

When she became pregnant with Camden, Kristin decided, "Everything I eat is going to be real food. I stopped counting calories."

Watch the video below to see more of how Kristin grappled with her brother's death.

EXCLUSIVE: Kristin Cavallari Is Counting Her Blessings Following Car Accident and Brother's Death

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