In this excerpt, Alice is depicted as someone who has become accustomed to extraordinary and unusual experiences, to the point that ordinary events now seem boring and uninteresting to her. Her mindset has shifted because she constantly expects strange and outlandish things to occur in her life, making the normal flow of life feel dull and unexciting.
To break this monotony, Alice takes action by engaging in a playful activity. She quickly finishes a cake, which symbolizes her attempt to inject some excitement or change into her routine, reflecting her desire to escape the dullness and embrace more lively, extraordinary experiences.