You're rarely going to hear "lose weight," "six-pack," and "Chipotle" in the same breath, but this isn't your average weight-loss plan. This "diet" works with other fast-food places, but Chipotle is absurdly convenient (it had nothing to do with this article, by the way).
Aside from being absolutely delicious, Chipotle happens to have one of the best ratios of calories-to-protein among fast-food joints, it's easy to calculate your own custom burrito, and you can eat it repeatedly without too much boredom.
Before you make the joke that everyone is going to make, no, this has nothing to do with contracting E. coli and dropping a bunch of water weight fast. Let's look at the science and how you can eat glorious burritos en route to getting abs.
Wait, how does this actually work?
The science is actually quite simple. When people say "six-pack," they're referring to visible abdominal muscles, or "abs."