No, its not some sort of science experiment, its mindless entertainment. 4000 calories was a wild gestimation of something I saw probably 5 years ago.<p>The premise of the show is they bring in two people - one superfat and one superskinny. They weight them and each person tells what a typical day&#x27;s food intake is for them. Then they switch diets for a couple weeks and are weighed again at the end.<p>Yes, its possible he lied about eating all that chocolate. Yes, he could be throwing up every day. This isn&#x27;t a controlled experiment, its a TV show. It seems odd someone would do that though.