Rather, I'm doubting that our understanding of calories and how they're burned off/turned into fat is wrong. I'm proof, as is anyone else who does 30 mins sweat

Rather, I'm doubting that our understanding of calories and how they're burned off/turned into fat is wrong. I'm proof, as is anyone else who does 30 mins sweaty exercise a day. Otherwise, given the amount of Big Macs inbetween meals, the maths doesn't add up.