With your living room turned into a vast jungle and a team of monkeys howling around you, you can think of only one logical course of action: you grab hold of the nearby vine and pull.
Your first hint that this was a bad idea could have been the manifestation of the jungle itself. It could have been the squad of primates shrieking from the trees above you. Neither of those were your first hint, though. That didn't come until you pulled.
Immediately upon grabbing the vine, you note that it feels suspicious. It's not until you've given it a solid heave and yanked a ten foot long snake down on top of yourself that you realize why. Now the snake is constricting...