You haven’t given any clues. There’s not a good chance to get this right with the information you’ve given
They are probably the most important document in understanding history. Without writing we would have a difficult time understanding archeological data. Also journals give great detail about wars and other major conflicts that would otherwise be unknown to historians.
It reveals that she wants a love for the ages. She wants him to prove his love for her by giving up everything willingly without a second thought for her. To just be satisfied being with her rather then having his family and wealth
An extended metaphor. None of the others seems correct.