[Jeez, Katara, try looking at the poor teen every now and then! The hug's soon gone, but any contact's better than nothing. He then reaches out for the whistle, still smiling brightly.]

Thank you, Katara. It's more than I hoped for. [Pause] Have you tried using it yet?

[Then Roku opens his own Avatar mouth and reminds them of his existence. Aang feels a bit guilty, thinking he might have handed him the egg too carelessly.]

It's the whistle for my bison, Appa! He's like... [your dragon, who is still in his egg.] ...a really cool companion!