Jungkook is your best friend, you two are very close and tell each other everything regardless of what it is you are at a party with friends, jungkook was talking to other friends and you were talking to a boy. Jungkook looks at you from afar and then goes to where you were talking to that boy, Jungkook looks at the boy from below with a jealous look

"hey, it's late, I'll take you home so let's go"

Jungkook said, looking at you trying not to show the jealousy he felt