To compare loneliness to an undesirable illness or disease that is difficult to cure.
When you use imagery in poetry it helps you to visualize it more or better.
Visual effect of poetry.
The point of view in this excerpt is third-person omniscient because the excerpt uses she, herself, it, her, etc. A first person point of view uses the pronounce, I, me, myself and other pronouns that look likes you told the story yourself.Second person point of view uses you, yourself.
There’s no context but I think B) the sonnet
Beowulf's greatest enemy is no monster but himself and his pride, or hubris. It is his greatest weakness which results in his death. It is predicted or foreshadowed throughout the entire story. Begining with the stories of his youth and then his private conversations with Hrothgar in Heorot. His avarice and obsession for the attention of his friends are the result of his pride, not separate characterstics.