Two there are

It's not like Kanan's trying to let Rex get under his skin, but if the clo -- guy -- could just keep his opinions about what makes a good Jedi to himself, this would all be a lot easier. Not that Kanan's jealous of him trying to mentor Ezra, there's nothing wrong with that.

Nothing.

Just --

"You really think wit's going to get you out of every hole you dig yourself into?" He finds himself asking Rex, halfway through heating up a protein pack in the galley. "I thought you couldn't fly by the seat of your pants in the army."

Rex folds his arms across his chest, scoffing out loud. "You have to have heard the one about battle plans surviving enemies. Maybe you didn't remember it, in all the time you spent off the front lines, but surely you heard it somewhere."