You know. Some people's eyes sparkle when they're seriously ill.

[Karkat looks at the arm around him and narrows his eyes suspiciously at it.]

I'm staying here as long as Dolores' is here for, considering she's my legal guardian and all those other interesting legal matters. Wait, I get my own room?

[Karkat had just assumed he was going to be in a fold out bed in Dolores' room or something.]