Confusion is one of the main themes of this first novel and the loss of identity through the loss of memory. It makes you think about how we define ourselves and whether this is mainly through our relationships with people and how they see us.
Sometimes on the street they ran into people he'd once known. Most wore a curious, pained extression, though others made more cheerful jokes or recounted funny things Samson had once done or said, great times they'd had together. As they walked away they promised to call soon, and some of them did and some of them didn't.