>>65934648Because she's on 5 anti-crazy pills and still seeing bugs. Tomorrow she could be having major delusions she can't control. The day after she could be seeing shadow apparitions. Then she could be believing her family want to kill her and the only way to stop them is to kill them first.
She is literally schizophrenic and is on a cocktail of be-nise pills so intense they would take down a horse. Her doctor likely will not up her dose any more because her organs will fail. If her meds stop working she will inevitably end up going more and more insane over a period of time until she is incarcerated and we never see her again.
Wall spiders could be a nothingburger or it could be the start of an arc that ends up with her locked under permanent psychiatric care, or dead.