How does DD know what Petunia/Vernon said?

[Joe]

No: HPFGUIDX 156774

"esmith222002" <c.john at ...> wrote:
> Having just been enjoying the discussion on Petunia and thinking
> about 'Remember my last', I was reminded of a problem I had with
> the entire scene. <snip> How does DD know that Petunia/Vernon is
> about to throw Harry out of the house?

Joe:
Throughout the series DD displays some degree of omniscience that
I'm not entirely comfortable with outside of deities.

> So how is it that DD knows what Vernon/Petunia have just said and
> then managed to produce an instantaneous Howler to prevent it.
> <snip>
> Fawkes? Patronus? Something else?


Joe:
Abnormally long extensible ears? Perhaps from Fred and George's joke
shop? ;-)