During an interview with BTS the members have the chance to get one member to do a professional lie detector test and decide on Jungkook.
During the test, Jungkook's crush on Taehyung is revealed.
I know.
I know that I have to back off.
I know that I'm not needed anymore.
I know that I'm not number one anymore.
SUMMARY : Jimin knows that Jungkook's not his anymore.