[Gabriel thinks about the ring of fire, the Mystery Spot, the cheesy motel room... the banquet hall. Telling the Winchesters to play their roles and that it was inevitable they do so, learning firsthand that Winchesters don't give up, and telling Lucifer to grow up.]

Don't get me wrong. I used to think it was inevitable that I'd be watching my big brothers slaughter each other. But they changed my mind.

[He's pretty sure Adam knows who he means.]

So, I decided to vote for you guys instead.