Hellow guys, Welcome to my website, and you are watching 揭密哈佛75年研究 幸福長壽的秘訣竟是...|Lessons from the longest study on happiness | Robert Waldinger. and this vIdeo is uploaded by 聽知釋 at 2023-07-29T06:58:11-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.