Half way, his doctor told him if he continued like this, he would die. He told him that because of fatty liver disease. That's what prompted his doctor to tell him to stop immediately or he will die.

Fatty liver disease is not caused by dietary fat. It is caused solely by eating carbs, especially fructose in the form of high fructose corn syrup. He was drinking his cola every day in large quantities. Cola contains 50% HFCS.