Read the excerpt below and answer the question.

Sylvia would have liked him vastly better without his gun; she could not understand why he killed the very birds he seemed to like so much. But as the day waned, Sylvia still watched the young man with loving admiration. She had never seen anybody so charming and delightful; the woman's heart, asleep in the child, was vaguely thrilled by a dream of love.

This excerpt provides an example of _____.

hyperbole
metaphor
personification
simile