Note that everything Susannah announces are things that would, in some sense, help her grow up and achieve more control over her life under normal circumstances. Right now Susannah feels very out of control of her life and her identity, and is grasping for some way to define herself or find some agency. Allen's attempt to help Susannah makes it clear that her family is willing to put themselves in harm's way to help, even though Susannah isn't an easy person to help right now and is even somewhat dangerous.