He nods. There's a very warm, very nostalgic smile there, as he recalls Monk Gyatso. "That's right! And... and I guess you could say he was my piebending teacher, too!"

As happy as being in the future and meeting all these new airbenders makes him, he's still sad whenever he remembers that Monk Gyatso isn't around to see any of this.

His friend Asami's here, so he doesn't think about the sad part right now.