Was it Sheila who requested it was halved ?
Even if it was halved it should still have some effect.
It seems to be agreed that Sheila had the psychotic episode after a conversation about fostering. We only have Jeremy's word this conversation took place.
Jeremy also said Sheila was non responsive & quiet. However suddenly went into a psychotic rage several hours later. Maybe Sheila might have thought fostering was a good idea.
I think that maybe Sheila requested it halved - she didn´t like her medication: how it made her feel, as so many other mentally ill people: they hate their medication, but the alternative is worse. And dangerous in many cases. It was an irresponsible move of the doctor who halved it. Google it, you will see many examples of just how dangerous that is! (I have made a whole thread about this in the past, I think it was back when my username was abs.)
Of course it would not have an effect if it was halved, she got her shot a long time ago and was due the next! Minimal if any.
We don´t know if she had an episode after a conversation about fostering - possibly though. It could have been something else. In any case, Sheila was a very ill person who saw her children and her mother as very dangerous and threatening to herself.
According to everyone who knew Sheila, her moods were erratic and FLUCTUATING - which is typical of schizophrenics, so your point is moot. I don´t even understand that so many nons keep repeating this! Google it....