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
First person point of view is mostly talking about yourself, meanwhile in a story there will be a lot of I's. Like, "I love the game." "I like candy." First person point of view is yourself.
The answer is B. foreshadowing