Your appearance is your mental state

I may have discovered this, your body produces energy based on your lifestyle and shapes the way you look.

This is pretty hard to explain but whatever you are doing or what actions you take your body produces energy in return for your muscles and body fat. So if you are consistently worried or have anxiety your body will consume fat in your body, this makes you look like a drug addict.

This is also mental health related as anything you do in life could eat you up so it is best to take care.