...sex, unrequited love Prompts: Mal and Simon are in a relationship, Wash gets tired of looking in from the outside and wants in on it too. Unrequited love on Wash's side for once? Written for the Threesome_fic_exchange Thanks to noandwhere for the great beta. Now He should have known it would end like this. Wash itches to turn away. He can feel the lump in his throat swell...