Life may seem perfect for country superstar Miranda Lambert, but even she admits to her fair share of problems. Lucky for her, she has a light in the darkness -- and that light is Blake Shelton.

Lambert is at the height of her career, having nabbed a few 2015 Grammy noms after more than a handful of CMA Awards earlier this year. She's also happily -- very happily -- married to fellow country star Shelton, which she says is just "the best."

"I'm not sunshine and roses," Lambert dishes to Marie Claire. "Blake's the happiest person on the planet. He pulls me out of my darkness … Literally, everything is the best about being married."

The 31-year-old reveals that she gets anxiety and worries a lot, but having Blake at home helps in these instances. In the magazine, Lambert opens up about lightening up and realizing not everything has to go the way you planned.

"I'm always anxious. I will worry myself into oblivion. I was trying to make everything regimented, and it caused too much stress," she explains. "I learned everything doesn't have to be perfect. That sometimes it's OK to say, 'I don't want to be the boss today. I have PMS. Bother someone else.' I like things better flawed anyway."

Clearly, Lambert is getting better -- and wiser -- with age.

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