[He puts up with quite a bit from his servants, from panicked screeches of "MR. SEBASTIAAAAA~~~AAAN" throughout all odd hours of the day in his mansion, to desecrated trees and explosions. The fact that he now has to endure his own butler's idiosyncrasy (not including his cat obsession), is asinine.
And normally he wouldn't put up with it. But he's tired, and hungry, and would very much like to rinse a few layers of crud off of him before it becomes a permanent fixture to his complexion. So fine, all right, he'll indulge Sebastian just this once, if it'll get him to a comfortable state that much faster.]
Troublesome. You are an incredible embarrassment to me, Sebastian Michaelis, and I'll ensure you know that the moment you are lucid again. Tell me what to do. [Quickly, before he changes his mind.]