The illusion of control that Sara has over Kate’s treatment and the Fitzgeralds’ finances collapses when she discovers that Brian has lied to her. On the surface, his deception is completely illogical; after all, as Sara points out, Suzanne offered to cover Kate’s treatment in full, meaning Brian has needlessly tightened the family’s finances. However, Brian, too, wishes to retain control over Kate’s treatment—but, unlike Sara, he feels a responsibility to oversee her inevitable death, rather than her unlikely survival.