Wormtail has survived as a mouse for more than a decade
Sirius lives under the terror of Dementors on trumped-up charges
Lupin to conceal the werewolf's identity and suffer
Snape had to face the girl he once loved and other people's children every day
Dumbledore knew the truth but could not do anything about it
Hermione is very talented but is a descendant of Muggles
Ron has to accept material scarcity and be willing to be around friends who are too bright
Harry's parents died when he was a child
...
No one in the world has no pain
Even the wizarding world
Wormtail was caught but was able to escape
Sirius left Azkaban and gained Harry's trust even though he did not clear his grievances
Lupin quits but has a new life
Snape has a successful career even though he didn't get love
Dumbledore can still do his best to protect Hogwarts
Hermione, Ron, Harry, youth and friendship
...
View more about Harry Potter and the Prisoner of Azkaban reviews