The use of the first person in <em>The raven </em>enhances the emotion and suspense because the narrator explains his fears as he experiences terror.
Although it may seem unrelatable if read lightly, the pom talks about topics such as loneliness and lost, topics which we all can relate to in one way or another, just maybe not in this 19th century prose which we are not used to nowadays.
When someone hurts you, the desire for retribution is strong.
Retribution means punishment or revenge.
He wants to respect Olivia's needs for an extended period of time to grieve her brothers death