SN fic - Best I Ever Had - PG13 - wincest

Title: Best I Ever Had
Fandom: "Supernatural"
Disclaimer: Not my characters. “Best I Ever Had” is not mine. Don’t know who wrote it, but it sure wasn’t me. Just for fun.
Warnings:  AU;  spoilers for everything, really, but certainly up till "Route 666"
Pairings: implied Sam/Dean; Sam/Jessica; John/Mary; Dean/Cassie
Rating: PG-13
Wordcount: 933
Point of view: third
Notes: This originally started as my attempt to write a fic(let) for each verse of the song. Instead, I have this—they are connected, but all can stand alone.

( You're only the best I ever had. )