Tony was addicted to Grey Goose vodka (known office fact). Grey Goose Vodka is 40% alcohol. Alcohol is a fermented sugar. Tony Hsieh was addicted to sugar.
When you’re addicted to sugar, you become obsessed with food. Tony started dabbling with eating disorders. He started starving himself then he ended up using bulimia. The alcohol impaired his ability to realize it was the sugar that was causing his depression. By being bulimic, Tony was able to eat without gaining weight. Tony weighed less than 100 pounds.
Celebrities, models, actors and signers all want to look good. They resorted to drugs like cocaine and eating disorders like bulimia to stay thin. Cocaine releases dopamine. Sugar releases dopamine. The link between cocaine and sugar has been widely established. By being bulimic, a person can stay thin and injest more sugar than humanly posible, thus creating a euphoric sugar high, comparable to a cocaine high.
Sugar causes depression. Sugar is also euphoric. It’s not difficult to extrapolate that will create a vicious cycle.
Cocaine is not addictive. The brain just really likes it. But sugar is addictive. Eating sugars changes your body’s chemistry & metabolism. Messing with one’s body chemistry is what makes a person physically & mentally dependent.