She is ready to give up, to give in, but she has not lost everything yet. She holds on, holds tighter, to the ledge. She wants to find a way to not be hurt when she ends up falling, when the ledge has given up on her.
Roxanne. She's a fighter and a survivor, that just trying to escape the unfortunate turns of events. She protects her family, especially her daughter Rosie even if that means to kill.