Ah, so actually a morphological difference? That's really interesting. I generally pin the cliche burn out more by the tired eyes, pallor of skin, and such, but

Ah, so actually a morphological difference? That's really interesting. I generally pin the cliche burn out more by the tired eyes, pallor of skin, and such, but again that's heavy users and transient. I didn't realize you meant something as permanent. I'd be curious to see an example if you happen to know one you could link.