"THE NOTE"

Girl: *gives a note to her boyfriend*don't you dare to read it until I told you to
Boy: I promise baby
Another Day
The boy got a call
Doctor: I'm from ER department, do you know Miss.*girl's name*?
Boy: Yes ,she's my girlfriend
Doctor: I'm sorry but your girlfriend is no longer with us
Boy: *cries silently*
Doctor: Before dying she told me to tell you that, you can read the note she gave you.

Boy: *remembers*
*THE NOTE*

What is "THE NOTE"?