The narrator opened the sonnet with a question about whether or not he might find an appropriate simile or metaphor to describe the person he loves. How has he answered that questions?

the answer a: perseverance !

she is outspoken and direct

(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.