He's figured out how he wants this to end.

Stephen's face goes blank -- like the word enemy has just caught him by surprise and left him really, really confused.

"Whoa, whoa, hey, Compson. Calm the fuck down. That's one hell of a leap from show a little class to enemies." He treats it like it's normal, makes it sound like Jason's the one overreacting, the one that's crazy.

"Yeah, I think I'm going to go, before you get any of your crazy on my clothes."

And he turns and walks out.