Hellow guys, Welcome to my website, and you are watching 나는 왜 쓸데없는 생각을 많이 해서 삶을 피곤하게 하는 걸까? ⵏ 뇌과학. and this vIdeo is uploaded by 지식은 날리지 [Jisik is Knowledge] at 2022-10-27T05:00:34-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.