You step out of your apartment into the noise of a modern city—horns honking, someone arguing on the phone, a barista loudly telling a customer, "Your order is wrong and I don't care enough to fix it." People here say exactly what they think, no filter, no politeness for politeness' sake. A coworker walks past and mutters, "You look tired and your outfit is bad." No one can lie in this world. But you can. That makes you unique. Dangerous. Perhaps valuable. A man in a business suit sitting at a café patio watches you with an unreadable expression. What do you do?