Graham Hess: Come on, now, you're too old to be doing this. You get a glass of water, and leave it lying around instead of finishing it. Now what's wrong with this one?
Bo: It has dust in it.
Graham Hess: And this one?
Bo: A hair.
Graham Hess: And this one?
Bo: Morgan took a sip and it's got his amoebas in it.