Rachel's desire is to drive out the memory of the night's events. Rachel's desire is to enjoy her new-found financial and personal freedom. An interpretation which is probably not consistent with the original intent of the author, but which can possibly be justified by the dialog. When you are working on a script, your job as an actor is to determine all of the Units of Action for your character. As I mentioned above, You cannot act an emotion.
Emotions are internal experiences.
End Part 1.