Aang: Katara, can you teach me to cook? I'm thinking it will help with firebending.
KAtara: Sure thing!
Aang: Can you do me another favor?
Katara: Yes?
Aang: Can you please be nice with your teaching?
*2 weeks later*
Katara: Aang, time to pull out your pie from the oven!
Aang: Here you go!
Katara: Wow, that's much too low. Let me taste it...BLEH!! This tastes raw! WTF is wrong with this thing Aang?? This is $hit! Maybe you're just retarded!! Have you found out what the problem is?
Aang: Yeah, I seemed to have forgotten to turn on the oven.