The Duke and Duchess of Cambridge braved the cold to attend the opening of an outdoor centre in Scotland today.
The couple joined the Prince of Wales at Dumfries House in Ayrshire, where Charles has led a regeneration project since 2007.
As Charles prepared to address the crowd, William rubbed his cold hands and told his father to "make it brief". Charles promised the hundreds of locals and youth groups assembled he would oblige to prevent anyone from passing out due to "secondary exposure."
More top news
An 11-year-old boy shot dead his eight-year-old neighbour in a row over a puppy, it is alleged.
Boris Johnson is expected to attack George Osborne's plan to cut tax credits when he addresses the Conservative Party conference on Tuesday.
Incursions by Russian jets into Turkish airspace have prompted a stern response from Nato's most powerful ally.