He was not surprised because he was already going insane. Since he was hallucinating that the raven was spouting words at him. He was already ill to begin with so it was not a surprise he thought the raven spoke.
I can’t tell anything because there’s not a story about him or her and how he’s acting to her so
You can that aunt marry is someone who is very nervous and cautious by how the author used the word shrieked and how you can infer she was scared by the tone of the story
