First of all, you should understand the social background at that time, don't say you have it, you must go to the library and other places to find it yourself. These should be in literature and history books, and then look at several major events that happened in the world at that time, and then look at the introduction related to the author.

The concept of love can be seen from psychology. After all, psychology contains many things, especially about love. Finally, according to your understanding of Jane, combined with the personality characteristics of the characters, just write about the social background at that time.