My whole life, all I'd ever wanted was to find a girl, and fall in love, bring her home to meet the folks. Then again, since my folks are a couple of paranoid shut-ins like me, maybe this girl could bring me home to her folks. And then I'd finally be a member of a cool, functional family.
It's a fast-acting virus that left you with a swollen brain, a raging fever, that made you hateful, violent, and gave you a really, really bad case of the munchies.