The 42-year-old actress has two children with husband Dax Shepard, Lincoln, 9, and Delta, 7. They "bring her back down to earth" after a day at work, she said.
She said: "The amount of insults that they can hurl at me in a very short period of time. it really brings me back down to earth.
I come home from a day like this, which is lovely and fancy, and we're talking about work, but they'll pull the rug out from under you so quickly.
"My autobiography title would be 'My Kids Keep Me Grounded!'"
The 'Frozen' singer added that Dax didn't believe in marriage when they first met and considered it as "a piece of paper" but pledged to treat her "like a queen."
"When I met Dax, he didn't believe in marriage," she told E! News. But he said...' I won't treat you better because of paper.
I will treat you like a queen on a daily basis because that's the commitment I'm making.'
"We're romantics." When we hike Hollywood, we point out lovebirds to our daughters. When people hold hands, we say, "Look, lovebirds!"
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