It reveals that she wants a love for the ages. She wants him to prove his love for her by giving up everything willingly without a second thought for her. To just be satisfied being with her rather then having his family and wealth
She didn't seem to take things seriously. when she woke up, she realizes that she's very hungry and assumes that she has a hangover because of a party. She had no idea what happened before and refused to believe in Montag.