Toward a Unified Field Theory of Human Flourishing

My guiding assumption was “Something is fundamentally wrong with me,” and I struggled to control and fix what felt like a basically flawed self. I drove myself in academics, was a fervent political activist and devoted myself to a very full social life. I avoided pain (and created more) with an addiction to food and a preoccupation with achievement

If you're interested to learn more in the philosophy that spawned these teachings, you might want to read Beyond Recovery. Present or former addiction is not required. It's a structural teaching with some practices thrown in, whereas this book is almost entirely experiential.

Addiction broadly defined is the continued and compulsive consumption of a substance or behavior (gambling, gaming, sex) despite its harm to self and/or others.