Aye, that's right. Ye mentioned it was important to ye before. [And now Jamie knows why.] So it's more to ye than just a reminder of your home. It's a reminder of your history as well.

[Neither of which seems to include an ice cave with no exit. They've been wandering for awhile, haven't they? And, now that Jamie looks around, he realizes he's not entirely sure where they are - or even how they can get back to where they were.]

Er, Katara? I think we're lost.