"Your grandmother's here too? Is she as young as your grandfather is?" Because finding out exactly how Aang was related to Ikki did come as a surprise.

He nods at the description of lychee. "Exactly! And we should add sugar so it's sweet like actual lychee is." Chouji pours hot water into the teapot. Then he gets out the sugar bowl and sets it down in front of Ikki, intending to let her decide just how much sugar ought to go in. Yes, he is indeed giving the seven year old authority over sugar.