There are many examples in this excerpt, a few of which being:
"whether you can see it or not. I am a doctor, dear, and I know."
"Bless her little heart!" ... <span>"she shall be as sick as she pleases!</span>"
"What is it, little girl?"
Explanation:
Judging someone/something on the outside can lead to something completely different in the inside.
Thats what I think.
Answer:
The writer uses creativity and humor to engage the reader.