Madam Pomfrey exposed Su Er's feigned illness.
Hermione had grown suspicious. Su Er had been awake for so long, so why did he still look so weak? She had therefore fetched Madam Pomfrey and asked her to examine him again.
During the examination, Su Er had no choice but to move his arms and legs as Madam Pomfrey instructed, then get out of bed and walk a few steps.
In the end, Madam Pomfrey said Su Er had recovered, meaning he could now take care of himself completely and could leave the hospital wing right away if he wanted.
However, to make sure he had fully recovered, she recommended that he stay another two days for observation.
Only then did Hermione realize she had been fooled, thoroughly fooled! She had waited on Su Er all that time for nothing, feeding him food and water-she had done everything short of warming his bed!
The tricks Su Er used to coax Hermione no longer worked.
Every time he approached her with a cheeky grin, Hermione would look at him with slightly reddened eyes, saying nothing and simply pressing her lips together.
Even an idiot would have known that Hermione was truly angry.
Su Er watched in distress as Hermione kept her head down over her homework and refused to acknowledge him. This had been going on for a long time.
This matter could be either serious or trivial. Taken seriously, Su Er had exploited Hermione's feelings and deceived her. If this small incident was a sign of things to come, would Su Er go even further in the future? Or perhaps... In short, women found this sort of thing very hard to tolerate.
Taken less seriously, Hermione simply felt she had been tricked, and was unhappy and angry, but it had not