Obsessed is most appropriate to describe a person whose mind and heart are concentrated on one idea to the exclusion of everything else.
I hope this helps you. ☺
Couldn't really find the poem. but a way to find the summary is to read it and find what it is mainly talking about and what words it uses to describe it..
Its located at a Rosniiros Russian institute for public networks in Russian Federation.
Answer:
myself, yourself, himself, herself, oneself, itself, ourselves, yourselves, and themselves.
which, that, whose, whoever, whomever, who, and whom.
les, demonstratives, possessives, and quantifiers.
Yours, his, hers, its