The second one: "I" refers to girls, which means that I will never stay up late waiting for news from boys again.
The third one: it refers to the girl's own mood, which is a bit like breaking up and trying to forget the boy's meaning.
Fourth: "Fool" should refer to boys and girls. They can't make up after quarreling, or it may be that boys and girls make up after quarreling. Everything before was like two "fools".
Fifth: "You" may refer to a boy or a girl, indicating that their relationship seems to be out of order again.
Sixth: "I" refers to girls, which means that we should find that the emotional problems between them seem to be our own fault and feel guilty.
All of the above are guesses (? ω? )