you’ve joined one of these groups when you’ve experienced something that utterly changes your life so thoroughly that you now share a secret language with others who’ve been through the same, a dialect incomprehensible to anyone on the outside. So, for instance, there’s a secret society of people who’ve been diagnosed with a terminal disease, another made up of assault survivors, or people who’ve lost a spouse, or been to war. Amy’s society—or one of them—was Those Who Live With Chronic Pain.