[Jack searches his face for a moment, though without saying anything, and then glances at the ice under his feet with, rather thoughtfully. It doesn't take a genius or a fellow ice skater to put two-and-two together, given that the entire rink is a bit of hazard. But that's only if you have the leisure to look down.

He smiles back, a little sympathetically, but his voice is perfectly light and teasing in response.]

Well, that won't do. We can't have you freezing to the side of the lake before you've even warmed up...

[A hand is held out, offering to pull him to his feet and hopefully off his slowly freezing bum.]

I shall accompany you, so you won't need to worry even if you've forgotten what skates are.