The way Arcela acted by helping Primus get his handkerchief back was what caused Primus to change.
This story was about two children from whose parents had gotten married to each other.
Arcela was from the male parent while Primus was from the female parent.
Although Primus was not too pleased about being in Arcela's town, after he lost his handkerchief, the way Arcela handled the situations that followed made him to change his mind.
Because he was a rude person, she could easily have decided to leave him and not help him recover his handkerchief.
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