[ ah... it is kind of sad, isn't it? It's fine, though - this'll be fixed soon. Getting upset about it wouldn't be worth the emotional effort. He's more mature than that. ]

It's Lupin. We're friends.

[ whether or not cairngorm would say it out loud - he's saying they're friends!! ]

You always give me a hard time for getting in trouble, but look at you now - you're literally falling to pieces! I'm gonna give you a right talking-to when you're back to normal.

[ it's a friendly jab, even if he also sort of means it....... ]