Warren Buffett has a diet no one ever thought was possible.

The Berkshire Hathaway CEO — and one of the world’s richest billionaires — told The Financial Times that he still eats McDonald’s for lunch at least three times weekly.

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The 88-year-old said his diet nowadays mostly consists of junk food and soda. He sticks with McDonald’s chicken nuggets, claiming to eat the finger-foods three-times-a-week.

“I’m not bothered by the thought of my death,” Buffett said in the lengthy interview.

Buffett, who said he has no plans to retire, also said he continues his tradition of having five cans of Coca-Cola a day.

He told Fortune in 2015 that he drinks “at least five 12-ounce servings” every day and predicted it’s about one-quarter of his daily calories.

“I checked the actuarial tables, and the lowest death rate is among six-year-olds. So I decided to eat like a six-year-old. It’s the safest course I can take,” said Buffett in the Fortune interview.

Buffett’s junk food diet doesn’t stop there: he’s a fan of having Dairy Queen ice cream for dessert and admits to snacking on UTZ potato sticks.

“I have more fun here than I think any 88-year-old is having, virtually, in the world,” Buffett said.

Buffett is the world’s fourth richest man, with a net worth of $87.3 billion, according to Bloomberg’s Billionaire Index.

He also told the Financial Times that Berkshire Hathaway could snap up as much as $100 billion of its own stock in the next few years. Last year, the company bought back an estimated $1.3 billion of own stock.

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