" I figured scraps were better than nothing at all. I failed to realize that the same thing that distinguishes addiction from passionate interest also divides unhealthy love from that which is the highest experience of humanity. That is, love is real when it expands and enhances your life—and troubling and problematic when it contracts or impairs it. Whether you love a person, a drug, or an intellectual interest, if it is spurring creativity, connection, and kindness, it’s not an addiction—but if it’s making you isolated, dull, and mean, "

― Maia Szalavitz , Unbroken Brain: A Revolutionary New Way of Understanding Addiction