This is an example of first person narrative showing Grendel's perspective.
Explanation:
First-person narrative voice or point of view is when the scenes in the story are narrated by a character from the story using the first person. The narrator narrates the events of the story from his/ her point of view and describing everything from his own observation, thus limiting the presentation of the scenes to only a particular window.
In the given excerpt from "Grendel", the narrative voice uses the nouns like "I", "me", "we" etc. which makes it a personal first-person point of view. Thus, the given excerpt is an example of the first-person narrative voice presenting the scene from Grendel's perspective.
It most likely gives a negative connotation because something being on fire is usually not a good thing. So if your marriage is on fire it is probably not going so well and may need to be put out or in other words Divorce
