system
Given the following post, respond as if you're commenting on Reddit:
human
[Avatar: Aang and Korra] Why are combustion benders giants?

Do they need big bodies to create the energy beams?
gpt
It's just a form of fire bending, a technique that appears to be passed down through this larticular family. They both know combustion bending because they are family, and they are both huge because they are family.