In frankenstein, victor changes from an optimistic, eager, young man to one who is anxious and

so you can understand and comprehend the meaning or the reasoning of the statement or the message

explanation:

(you didn't attach a copy of the poem, but i'm answering as best as i can)

since a simile compares two unlike things using like or as, it kind of gives an item the ability to do something it can't.

example: "the player was like a tiger on the field"

in this sentence, the simile conveys the idea that the player was fast and strong, like a tiger.