[Something like a smile crosses Aang's lips, but it is one is weighed down by sorrow.]

That's fine. I just want to make sure you're... you're... as comfortable as you can be. I won't say a word, unless you want me to.

[He only briefly steps towards her to lightly peck her cheek. Aang then turns to face the river and begins streaming the water while letting his eyes flow freely. And he makes sure to keep Katara in his eyesight even through the corner of his eye.]