Also....
Here's a few progress images of Zuko I've taken over the months. I didn't want to just post the images here because the first one especially is tough on some people to see.
https://imgur.com/a/yGR69ib
The bath photo was taken a little over a week ago, so you can see how lanky Zuko has gotten.
I'm still not super concerned.... but I don't want to keep brushing the weight loss off until it is critical.