Are you sure WO, FC, etc are the emotion categories? I thought the numbers bins were--from the ep: "Each category of numbers presents in such an order as to elicit an emotional response in the refiner. Cat 1 numbers, for example, feel a certain way on sight. They'll be sort of disconcerting, scary."

tvtropes.org/pmwiki/pmwiki.php/Main/DeterminedExpression

Can you provide some more examples?

similar to tvtropes.org/pmwiki/pmwiki.php/Main/AnswerCut

Maybe Wenwu was hoping the postcard would cause his son to come back to China without force? Since he wanted him as his successor. And then when that didn't work, he had to send agents.

To be fair Shang-Chi used the rings to blow up an ancient evil entity of darkness. His dad mostly used them to long range punch people. Maybe Shang-Chi's use just resonated through the universe more.

Additionally, most of the actors are substantially older than the book characters, meaning that it seems likely the characters are older too. Nothing indicates that the S&B/SoC characters are teenagers.

Note that Shu Han is vaguely parallel to East Asia, and Jessie Mei Li (who plays Alina) is half-Chinese.

"It is written" tends to mean similar to "it's fated/destiny/foretold."

Bly Manor is in England. I imagine the wedding castle was chosen to set a spooky initial atmosphere and to give the narrator an excuse to tell a ghost story.

Have you finished the series?

Wasn't she just still in captivity by the gangsters, waiting for plane boarding time?

This architectural style appears to be called a "sunken living room" for what it's worth.

Could you maybe provide an image of what you mean?