Ya, that's a very interesting interpretation. J K Rowling left a lot of things open ended so its one of the best franchises for fanfiction
No.. Chocolate frog cards contain info mainly about the personality and not the personalities' partners
They come from a squib right
The story till now was good, but the title is just a bit.... domineering and doesn't suit the somewhat delicate story. I really liked the plot till now and hope you continue with the story. Just make the chapters long or increase the number of chapters.