Yeah, Dean's brother. We both made a mistake. They'll tell you I'm lying to you because I'm a demon, and they're right about the demon part. But not about me regretting my decision.

[There's a pause and Ruby glances away as if she doesn't want to share this piece of information, before looking back at him with a 'sad' expression.]

You could think of it like that. It's because I thought Lucifer would reward me, would make my life better in some way before the end came. But I was wrong, and I got killed because of it. Somehow I ended up here, and I have a second chance to change things.