title. Threshold and Tolerance author. valiant characters. Sam/s4!Ruby rating. NC-17 words. 2300 summary. Sam, Ruby, and pain. read this. Gorgeous, atmospheric, easily one of my favourite Sam/Ruby fics. It aches, but it also encapsulates just about everything I can imagine this pairing to be, like the absolutely fucked up nature of it. title. he lays down his head on your pillow at night author. tigriswolf characters. Sam/Ruby; Sam/Dean rating. R words... read more