He can't do much to fight the vines off, and as they pull him into the all-too-familiar position, his grip on the situation starts to slip. He's still here, and he works as hard as he can to be mentally here and not fall back into a memory, but it burns just underneath as he pulls in frantic jerks, trying to free himself.

"You know whatever you get me to say, I'm not going to mean it." Stay here, Dean, stay here; don't let the flashback overwhelm you. He forces his eyes open and focuses hard on Gabriel, even if he'll probably be treated to the flashes of desperation and fear.

"You're not going to get what you want no matter what."