Ultrazilla, of course the ditching of the hummer was just social commentary on women driving. They're terrible, I mean amirite?
But if I was in a zombie apocalypse and stumbled upon Emma Stone and rescue her after dozens more dumb decisions. Or the girl in the college dorm room towards the start of the movie. But I would've been suspicious of the story, and thus wouldn't have to dispose of her. And if I didn't get suspicious I'd be pushing for at least 3rd, so I'd no doubt see the bite mark.