July 23, 2015 12:58 PM EDT

Legendary competitive eater Matt Stonie, who won this year’s Nathan’s Hot Dog Eating Contest, is back with a new feat: inhaling 12 pints of ice cream in just 35 minutes.

In the video above, you’ll see Stonie at the grocery store selecting his desired Ben & Jerry’s flavors. After that, it’s just a race against the clock. He starts off strong, but is soon plagued by brain freeze, tummy aches and, probably, the lingering question of Why am I doing this?

After 35 minutes, Stonie manages to consume all the ice cream — which totals 13,400 calories, 780 grams of fat and 1,180 grams of sugar. We’re genuinely impressed that Stonie is still alive.

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