[Oh my god why is he stuck with all these smartass young Jedi who make him feel old when he is still a padawan, he doesn't know. But it doesn't matter because he's smirking.]

My own Master used to tell me something similar. I think we all only improve when Master Yoda shakes his head and tells us how disappointed he is.

[It's some kind of Jedi rite-of-passage.]

I'll try and answer, but I don't have many of them. And there isn't any time here for Serenity, anyway.