"Don't ever tell him I said so," Katara says, giggling again and putting her hands down flat on the ground so Loo at least doesn't fall hard when she lunges, "but he's really a good teacher. He's very patient with little kids."

She looks sad for a moment, missing him, and then giggles again.

"Make him teach them to do war braids by practicing in his hair, he looks so silly."