At that, Zuko blinked and looked away with a grimace. "Figures," he mutters to himself.

He wanted nothing to do with anything that involved anger. He had given that up a long time ago. Once upon a time that's what fueled his firebending, but not any more. Zuko never wanted to rely on his anger for his bending ever again.

That's why he couldn't generate lightning after all. There was too much turmoil inside of him. Too much warring of good and evil.