
To the Core by dornfelder

A 5 star fanfic. A well written piece occurring after s09x12. Sam wants Dean to admit to the cause of their co-dependency following Sam's possession by Gadreel and Kevin's death. To this end, he ties Dean up and blindfolds him, you can guess the rest! A few typos.
“Sam, let’s move on, okay? I promise, I won’t lie to you again. I know you don’t have a reason to trust me right now, but ...”