As far as pets go, a cat is a nice on to have.

I'm sorry, but -I'm sorry!' I yelped and skipped backward as Gorg advanced on me. 'You were given bad information. Probably some human's fault.'
I AM PRINCIPAL ANGER COORDINATOR ASSOCIATE-OF-THE-MONTH GORG FOUR-GORG! HUMANS WILL GIVE ME BAD INFORMATION AT THEIR PERIL!'
He didn't look like a principal. He looked like something Hercules ought to be wrestling on the side of a vase.

We found the bathrooms, which were labeled 'Aliens' and 'Femaliens.'
'Finally,' I said to J.Lo. 'Here's a bathroom you're allowed to use.

Can I see some ID?"

"WE DON'T HAVE ID," said Jay, loudly. "'CAUSE WE'RE CANADIAN. WE DON'T USE ID...THERE. AND THAT'S WHY WE LOOK SO YOUNG. 'CAUSE WE'RE CANADIAN."

Doug stiffened. Jay sounded crazy. Doug tried looking extra sane to even things out.

Then it suddenly and theatrically began to clean itself in the way cats do when they want you to know what a big deal you aren't.

Captain Smek himself appeared on television for an official speech to humankind.
[...] 'Noble Savages of Earth,' he said. 'Long time we have tried to live together in peace.' (It had been five months.) 'Long time have the Boov suffered under the hostileness and intolerableness of you people. With sad hearts I now concede that Boov and humans will never to exist as one.'
I remember being really excited at this point. Could I possibly be hearing right? Were the Boov about to leave? I was so stupid.
'And so now I generously grant you Human Preserves - gifts of land that will be for humans forever, never to be taken away again, now.'
[...] So that's when we Americans were given Florida. One state for three hundred million people. There were going to be some serious lines for the bathrooms.