I know it's hard.

[Seriously. He knows.]

You can prepare yourself any way you like, but when it all boils down, you're gonna hafta make the decision then and there, when it happens. You can't just wait and see.

[Dean won't sugar-coat it, either.]

It's gonna suck. Either way, it's gonna suck, and you're gonna hate yourself or somebody else - Hell, you might even hate both at the same time. But don't leave it to Fate. Screw Fate. Screw luck. You're the one makin' the choice, not this.

[He slides the coin back across the table, and it stops just short of Terezi's reach, in the middle.]

Now, I'm not sayin' to pick the lesser of two evils because it makes you feel better. If you wanna prove this bitch wrong, you gotta do it the hard way.

[Dean had a choice, once. Sam went rogue, killed a hunter, asked Dean to kill him. Begged Dean to kill him, to make him stop. Turns out Sam was being possessed by a demon, and all it took was a little salt and a little Latin to get the fucker out of him. Not everything turns out that easily, though.]

Or you're gonna have to be ready for the consequences.