He'll have to bring home something for Diefenbaker; he's reasonably certain the wolf won't be permitted on the premises. He's walked all this way with his hands tucked in his pockets against the cold, though he's maintained a presence at her left-hand side as he would normally do when accompanying her in an official status to diplomatic functions.
Old habits dying hard.
"I'm sure it won't be too long of a wait," he says, noting the line.