You... you are? It's hard, too, to be that i-important. Because it makes the bad things worse, too.

[He remembers the Avatar State attacking her on the moon. He remembered when he gave himself up to the Fire Nation after they first met, giving a daredevil grin as he was taken into their ship, confident that he'd outwit them and escape. And how one look at Katara's tear-stained face extinguished that.]

It makes it easier to cause pain, and guilt and like I can never match how much she cares, even if she doesn't feel the same way here.