What were some of the changes in the speaker's emotional state during the course of the poem "The Raven"?

The speaker goes from isolated and miserable to avoidance to confronting the
raven, and then being entertained by him. 

Throughout the poem,
the speaker seems to pass through some of the stages of grief: denial, anger, bargaining,
depression, and acceptance.

When the poem begins, the speaker comments that
it is late on a dismal night, and he is weak and tired.

Once upon a midnight dreary, while I pondered weak and weary,
Over many a
quaint and curious volume of forgotten lore,
While I nodded, nearly napping, suddenly
there came a tapping €¦ (stanza 1)

The speaker is
miserable with grief because he has lost his love, .  He is studying not because he wants to,
but because he is trying to distract himself from his sorrow. 

Eagerly I wished the morrow; - vainly I had sought to borrow
From my books
surcease of sorrow - sorrow for the lost Lenore €“ (stanza 2)

He is deep in the denial stage.  He knows that Lenore is dead, but he is trying to
distract himself.  The knocking on the door is...

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