1 : 21 is the age of majority in the United States, but this number is especially important in this fanfiction for the album 21st Century Breakdown, two of its songs have this number in their names (21st Century Breakdown, as well as 21 guns).

2 : 1994 is the year that the album Dookie was released.

3 : Billie Joe Armstrong has the habit, during interviews, of often repeating the expression You know.

4 : Billie Joe Armstrong actually suffers from panic attacks.

5 : A famous quote of Billie Joe Armstrong :