Haha... um, let's just say the cat I have the most experience with is a little testy. I don't think they're all that way.

[Certainly not. Most of them don't talk.

But oh, hey! Tail wagging! This is progress!]

Yeah! That means he's happy with what you're doing! See? You're already a natural. [To be fair, dogs are pretty easy to make happy.] Keep that up. I wonder if he'll roll over for you.