'Before becoming a writer, I trained in anthropology, a discipline traditionally concerned with ritual. This training has served me unexpectedly well over nearly ten years of involvement in left-wing organising: the left is a space heavy with codified language and actions, and governed by a set of intricate, unwritten rules usually viewed by outsiders as mysterious, ridiculous, or both. In particular, I have recently found myself considering the ritualistic way in which people on the left feel compelled to offer apologies for having a relatively stable, relatively plentiful life – often glossed as various forms of ‘privilege’.' (Introduction)