There aren’t enough!!! What happened on the train? Did she get off? Did she go with him? Did they go back to Paris together? When did they start living together? Where? How did he propose??
We need to explore any and all possible scenarios.
you may think there are enough post-finale fics but you’re wrong.
don’t want to write one because you feel they’ve all been written and it’s oversaturated? you’re wrong.
don’t want to beat a dead horse? well i’m giving you a bat and the horse is outside, let’s go.