"Smiling more than usual? Really?" L asked mildly. "I think you're mistaken." he rearranged his features, adopting a more pensive expression. "Perhaps you entertain me, to some degree, and perhaps I'm also being kind... but it certainly isn't one or the other alone, and neither should be interpreted as condescension...
"I am far too good a liar to allow any indication to appear on my face, mein Herr."