For a solid year I was riding high, getting my fix, partying all night and sleeping all day–just like Phinneas, cool and white as snow, who had mortals of all genders falling over themselves to be tasted; who had been twenty-something for centuries. I thought we’d surf that ruby-red high forever, me and him and the other Cool Kids, and I’d never have to suffer my own reflection again. But I woke up one night with an awful taste in my mouth, and when I brushed my teeth, there I was again in the silvered glass above the sink: hazy, translucent, but undeniably there. I almost screamed.
“When’s the last time you drank, Jason?” Phinneas muttered, stretching awake.
“If I don’t get blood I turn human again?” I sounded like a noob, but I was panicking. I could feel my skin rising above room temperature like a fever.

Continued at: http://dailysciencefiction.com/fantasy/Monsters/elly-bangs/the-cool-kids