Reita shouldn't need a reason to wear his nose band unless Miyavi gives a reason why he wears nine t shirts and four ball caps.... all at the same time or when Mana tells us why he insists he's female...
I mean come on. Every JRocker has a quirk. We don't always understand the quirk, but it doesn't matter. We don't need to understand it. And calling someone an idiot based on their individuality is petty and immature so there.