"You think I'm going to let these people get hurt, you've got another thing coming. I'm an imPort. We don't really die here."

Which is its own kind of disturbing. And it's not like he has the sorts of powers that would help a zombie if he got turned and they could access what he could do. So who better to stand as a line of defense.

"That's what being a hero is about. Sacrifice for the good of others. Isn't that why we're here?"