On Tue, 17 Dec 2019 15:12:51 +0100
"R.Wieser"  wrote:

> if richard may demand from me that I "just understand" his explanation,

 Less than ideal.

> should I than not be allowed to demand he "just understands" my
> problem/confusion ?

 Also less than ideal.

>  Or is there some unwritten law somewhere which forbids that  ?

 No, but I tend to find that working to bridge the communication
gap is more useful than bemoaning it.

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