> Hypertension?
> May be her blood pressure is fooling she.
> Many people get confused about high-pitched sounds

I'm reluctant to suggest again to her that it's "all in the mind"
or has an indirect physical cause. For one thing I don't want
to jeopardise the friendship and a possible future business
partnership by asking something that's already been answered.
The other thing too is that I don't want my face splattered with
an indignant "I told you so" if it does prove to be a technical
cause

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