yeah we talked a bit about the whole Bella thing... my theory is this...
she is suffering from a great trauma/loss, maybe her husband just left and is missing or he died, or even worse childloss, which is kind of the worst but the most plausible thing at this state... cause just look into her bathroom.
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the small mirror with the steps is for sure for a small child i would guess.
and in the starting scene from ep8 we witness a kind of flashback... but there are some strange things, for one, her Boss just sends her home, kind of concerned and dont react to the husband, after that Bella is talking to james outside and is strangely watched from a guy on a bench... like something seems off... conclusion, she just was hallucinating back than, talking to herslef, the boss was concerned and send her home, outside Bella was still talking to herself and imagening that James is by her side, so the guy on the bench is watching her strangely, cause Bella is just talking with herself... At the time of this flashback, James must have been already gone... and Bella got a mental illnes. Like being shizo.
in her locked room i would gues is a kind of refugium, maybe some things from her passed child, or things from the husband in it... she was married, but i think she lost her husband and a child and is heavily suffering from it.
