What is the significance of this passage in "Dracula" by Bram Stoker? What are some literary devices? Expand.

I think this is Dr. Seward flattering Mina. Her purity is the foil to Dracula's lustful depravity. She never knew her father and mother, and her devotion to Jonathan is strong. Dr. Seward thinks her presence is most helpful in this dark and dreary place.

Simile: This paper is as sunshine.

Metaphor: It opens the gate to me. I am daze, I am dazzle,