Considering he can be a space invader some times, it is bound to happen. Then again, he will just duck or move; it's not as if this has not happened before. Right, he will watch the space invasion when cigarettes are lit, save his eyebrows and hair, he is kind of attached to them.

For the most part. Some push their nose in more than others. Or at least as much as they are allowed; more as time goes.

"Tie it is then..." He is probably playing up his not wanting to wear it a little more than he would. Because it is distracting Gokudera, and he is calming down from Yamamoto's earlier antics. "Got it, suit equals tie till I get home" Then fuck the police, he is taking it off, and no one can make him wear it.