The grab at his shoulder is enough to jar him from his tunnel vision, at least for a moment. With a rush of hormones and primitive drive, Curtis strikes out clumsily at the fucker trying to kill him. He knows he has no shot, but this is all he can do as the sun sets on the first day. An easy target if he runs, Curtis tries to drive the person to the ground with his heavy weight. Then if he's lucky--If he can just find his damn combat knife. It's on his person, he killed the snake with it... He just--His hand is so numb from the venom it may as well be worthless in its search.