You have more than enough critique on you, so I'll make this as brief as possible.
Although, having said that, I'll be abrupt about what I felt.
What do you think is the deal with Emilie?
she's a war woman, French, and certainly strong willed; although I disagree with her concept of love - and her use of the word Uncle is cold and avaricious to say the least.
What did you feel happened at the end there?
She moved on.
does this fit your description of an unreliable narrator, why or why not?
She isn't an unreliable narrator; she's simply... living her life in war-time, by doing what she feels is the right thing to do. In essence, her actions are relative to the time period she's living in - its plausible that the France she's living in is WWII France, and thus she's chosen to accept her world as it is because she's seen enough change to know that things are going to move on - John's going to die, and so is Sam.
Thus, her belongings are immaterial to her as a person; that makes them just as valuable to understand her dilemma.
grammar shiz: Anything off, clunky, or grammatically incorrect?
Its a perfectly written story in my belief; It has a Praust influence in its presentation, and its impact is because its surprisingly crisp - I've rarely seen any work based on WWII France that talks of this social factor. Well done there.
Its thought provoking, but its refreshing nevertheless. Well done. Keep at it.