The 45° Youth

"45° youth" is a term that has spread on the Chinese internet in recent years: neither fully "lying flat" (0°) nor fully "involution" (90°), but living somewhere in between with a posture that is half-engaged and half-resting, seemingly advancing and retreating at once. Written by Xing Tingting, associate professor in the Department of Sociology at Shanghai University of Finance and Economics, the book places "youth" back in the context of more than four decades of sweeping social change, sketching the era's conditions for contemporary youth through dimensions such as economic growth, urbanization, the acceleration of time, technological iteration, and shifts in occupational structure, then discusses chapter by chapter their ideas and actual choices in struggle, consumption, emotion, socializing, and marriage and romance. The book proposes that young people believe "life is a wilderness" while longing to "reach the shore"; pursue extreme cost-effectiveness while willing to pay for happiness; fear loneliness while dreading losing themselves in intimate relationships. These "wanting both" contradictions are not mere sentimentality but a manifestation of the tension between structural pressure and individual agency. From a sociological perspective, the author interprets the mechanisms behind buzzwords such as performatism, involution, lying flat, the 35-year-old trap, punk wellness, paid study rooms, the seeding economy, and detached socializing, ultimately attempting to answer: how the era shapes youth, and how youth respond to the era. Balancing academic framework and readability, the book has been regarded by reviewers as a deep portrait of "symptoms of the times."