against a sure winter by skitter - a Podfic - Free Audiobook

It's all weights and measurements, his job. A life for a life, the value of which he levies against the potential for danger. If in the end it all evens out then he walks away satisfied. A cold existence but a stable one.

And then her, and her ugly scarf, and the priceless weight of her safety in his hands. She upsets the delicate balance he's cultivated, bleeding warmth into the winter of his world, turning him into a person when all he's ever been is a weapon.