Who would have thought Nux would have those kind of nurturing skills? It's certainly a plus in Misa's book, giving her ample excuse not to go anywhere near Cesar. They can just pretend it's solely because of the vomit. In fact, she could just leave all of this in Nux's capable hands- except then he says that, and Misa balks.

"There's no reason to drag him all the way back there!" she protests, taking an additional step back as Cesar unsteadily gets to his feet. "He's safe now, he can make it home."