Whip round to buy Wilmslow a fridge

[Archangel]

Alternatively he could take in a thermos (or equivalent handy insulated container) of coffee (to keep it hot) or a thermos of milk (to keep it cold).

They keep hot things hot and cold things cold, but how do they know?

[EqualOpportunities]

They keep hot things hot and cold things cold, but how do they know?

Some things, mon brave, are best left unanswered.

[BrilloPad]

They keep hot things hot and cold things cold, but how do they know?

you should ask HRH - he knows it all...