So I'm thinking that she started as self-insert but became her own character and just set sail on a ship of her own. Besides, it doesn't need to be taken so personally, just enjoy the journey. (The way some of you reply makes me want to never meet)
Y'know, I'm kinda wanting to see more of this Marquess and his wife, not many women would tolerate a proposal and anniversary celebrated in such a way.
Welp, childhood mention is definitely important, that's gonna be revisited sooner or later. Although that end credit scene where they both look like they're walking away from an explosion is "chef kiss".