This is an enlightening book on psychology wrapped in cool writing. Liu Fubao's adventures take you through ancient and modern times, experience diverse interpersonal scenes, and understand the true meaning of human nature amidst laughter. From cognitive biases to behavioral psychology, each story is a vivid lesson. Is the scumbag obsessed with green tea? Does it imply that no one cares? The answer you want is here! Follow Liu Fubao through time and space to reveal the secrets of human nature!