I don't. But it seems this holiday is important to our allies, and it costs me nothing to participate.

（ therefore, who cares if he looks ridiculous by shikamaru's metric? itachi has never cared for his appearance. he does lift a hand away from his mug of cocoa to touch the headband in idle consideration, but the only thing that comes of this is that he straightens it faintly, jingling one of the bells. ）

If being seen with me is an embarrassment, you may leave. I will not be offended.

（ this is all said in the selfsame lack of intonation as is his custom — so it's impossible to know, really, that he's faintly amused by all this. ）