Think you should dress however you want, it's your birthday.

[ the answer comes automatically — but, you know, now that he's giving it a bit of thought... actually, giving it a lot of thought, because he's pretty sure there's multiple ways to "dress nice" that involves absolutely zero ties, and for some reason imagining all the cool outfits he could find junpei for the movie night makes him kind of want to fall through the floor, just a bit.

out loud, he says, ] But I mean, might not hurt? I'm sure we'll figure something out that's nice but doesn't include a tie.