In a way, it's hard for me to process that she probably doesn't register every little sign of disappointment or frustration that everyone gives off & try to find the causes.

Some things are fucking "obvious" to me because I put it all under a magnifying glass.

Mind you, I'm not even always right (mind readers do not exist), but some things I pick up on are pretty reliable. Noticing that the mood in the room changes ever so slightly every time x happens is pretty indicative, for example.