"I think," Kanan says slowly, "that learning to feel the Force is frustrating, let alone learning how to use it. I think that half the directions I have to give seem contradictory from the outside, and even from the inside sometimes. I think that when I was learning, there were others there with me to argue with, to debate with, to have pointless childish dramatics with. Here, Ezra's only got me. And if you're fighting your teacher, you're not . . . you're not learning the Jedi way of things."

The Dark Side always seemed to have more conflict between Master and Apprentice.

"Plus, with our jobs, it's not like he can even afford to have much space away from me to sulk."

Put that way, Chopper's cantakerousness is a blessing, too.