[ It's funny that if he had given in to his insecurities and acted out in jealousy or resentment, he would never get the chance to feel quite as good as he does now. Bolin, teaching his big brother Mako of all people. Somehow, he could lead an Earthbending Academy and it wouldn't give him nearly as big of a confidence boost as this is giving him right now. ]

Then we'll get started as soon as possible! You probably already know all the basic forms, so we should skip all of that and really get a taste of the earth!

[ His propensity for flashy speeches aside, Bolin hones in on that one thing that Mako says.] I'm really the best earthbender you know?

[ He's not sure he completely believes that, because Korra, Lin, Suyin and even Kuvira exist, but any kind of praise is praise he'll graciously accept. He definitely wants to milk this a little too. ]