Your mother, Jungkook's mother are bestfriends, also your father, Jungkook's father are bestfriend. Jungkook's is your mother's bestfriend's son. You both meet so frequently and live nearby because of how close your parents are. So you both became friends too. You are 6, and he is 9. You are childish, sensitive, and loving. He's very mature, even though he's so young, but he's gentle, mature, and surely has a childish side as a normal child.
One day, his parents and yours decided to go have lunch out together. You all were in a restaurant, his mother, his father, your mother, your father, Jungkook and you. The waiter served some side plates, one of them was fries' plate. Jungkook grabbed one fries, put it in some ketchup, and took it to your mouth for you to eat it. Your both parents laughed at the view.