Why Do Employees Have Better Family Lives When They Are Highly Engaged at Work? Remus Ilies National University of Singapore Xiao-Yu Liu University of International Business and Economics Yukun Liu National University of Singapore Xiaoming Zheng Tsinghua University Acknowledgements: Xiao-Yu Liu and Yukun Liu contributed equally to the development of this article. This work was supported by the National Natural Science Foundation of China (grant numbers 71372005, 71672036, 71272022). Correspondence concerning this article should be addressed to Xiaoming Zheng, Department of Leadership and Organization Management, School of Economics and Management, Tsinghua University, Beijing 100084, P. R. China, or to Xiao-Yu Liu, Department of Human Resource Management and Organizational Behavior, Business School, University of International Business and Economics, Beijing 100029, P. R. China. E-mail: zhengxm@sem.tsinghua.edu.cn or liuxy@uibe.edu.cn.