Answer:
repitiTION
Explanation:
it repeats twice to emphasize more strongly (almost hyperbolicly) that the author "did not believe" this and that
I would say that the line which implies the author thinks Helen's behavior is going to hurt Helen herself is Don't cut your fingers with the edge / Of your keen wit
Because her mind and behavior are going to hurt her, or rather make her hurt herself.
Her passionate love of art influenced my decision to take an art course.
Influenced- Inspired, impact, to affect.
Hope this helped! :D
