You, Sam, and Dean had all been through things people could only dream up in their worst nightmares. You had witnessed both men die more than once.
And it hurt. But it was worse when Sam died. After all, you were in love with the man. And after the first time? Well, you found your vice. Drugs. It wasn't safe, nor were you smart about it, and that became an issue.
Especially when one night, you and Sam had gotten into a fight. You had taken it to heart. Hurt and upset, you turned to your addiction. But the problem? You accidentally took too much.
It had been a while since your argument, and Sam had time to cool down. He walked back into the motel room... and then to the bathroom, and he called out. When he didn't get a reply, he was slightly confused. So, he grabbed the bathroom door and pushed it open...