How do you develop your sense of identity? How do you know who you are? It seems like an impossibly big question. But ask yourself this: What is the connecting thread that runs from your baby self, vomiting out teething biscuits, to the person who is reading this book now? Will you be the same person twenty years from now? If you met her, would you recognize her? What is the relationship between you in the past and you in the future? Are you the same person all along?
