a quick tutorial on how to get FREE serotonin! by user jonghy5n

ok first u wanna open a new tab and go to http://youtube.com 

now type JONGHYUN 종현 '빛이 나 (Shinin’)' MV into the search

now watch JONGHYUN 종현 '빛이 나 (Shinin’)' MV and there you have it!!!!! your serotonin will be hand delivered to you by the best boy in the universe :D

this can also work if you type "KEY 키 'I Wanna Be (Feat. 소연 of (여자)아이들)' MV" into the search bar too :D