Trisha Yearwood & Garth Brooks Celebrate Music and Marriage Milestones: Compromise Is Key

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In 2015, Garth Brooks and Trisha Yearwood are on top of the world.

ET was with the country superstars in Nashville, Tennessee on Thursday as they were each honored with markers on the Music City Walk of Fame, while their milestone 10 year wedding anniversary is just a few short months away.

"If we had tried to be together 20 years ago, it might not have worked out so well," Yearwood confessed to ET. "When you're young, when you're in the beginning of the career, when everything is going 100 miles per hour, you have to give it 100 percent. And when you're in a marriage, you have to give it 100 percent. Those two things -- it's hard."

WATCH: Garth Brooks Talks Comeback on ET: 'It's Like Starting Over Again' 

The couple has clearly found a way to make it all work. Brooks celebrated a major return to the spotlight last year with his first new album since 2001, Man Against Machine, and the start of a record-breaking world tour. For her part, Yearwood also made a triumphant return to the music industry last year, releasing the compilation album PrizeFighter: Hit After Hit.

"Anyone who tells you they're working in music is lying -- it's the greatest gig on the planet," Brooks told ET. "I took some time off to raise my babies. Now I'm back at it -- I never want to take time off again -- if you'll let me, we'll play forever."

For this couple, compromise is key in making their careers and their relationship flourish.

"In the beginning of my career, I was married and it didn't work, because I was never home and I didn't care to be home because I was so focused on music and being gone and traveling," Yearwood said. "Marriage is tough no matter what you do for a living. Doing this for a living, you compromise. [Garth and I] made a conscious choice to be together. ...I'm proud of that. I'm excited to be together 10 years."

WATCH: So Sweet! Trisha Yearwood Flirts With Her Hubby at the ACM Awards: 'He's Gorgeous!'

But ask Brooks about the hardest part of keeping his marriage alive, and he offers the sweetest soundbite ever. "There's nothing hard about that woman right there," he gushed. "She's fantastic."

Fittingly, the country power couple will be together forever on the Music City Walk of Fame, with their markers cemented right next to each other.

"To get me a part of this community, get a star next to the queen -- Ms. Yearwood," Brooks said, "that's pretty cool."

Brooks and Yearwood continue their massively successful tour tonight in Chicago, Illinois, and will continue to roll through North America through summer 2016. See a complete list of dates here.