Blue Veins

Written for this prompt at the kinkmeme:

“If a clock could count down to the moment you meet your soul mate, would you want to know?”
Everyone has a clock, either installed by futuristic machines or they're born with one.

The numbers can’t guarantee happiness, reciprocity, or even fidelity. They’re just a fact of life. In a world where everyone hides their numbers, John Watson meets a man with bare wrists.