I've been stuck up a tree for 27 hours. I'm okay, but my self-driving car is freaking out—it's been frantically wiping its windshield, and flashing its lights, and the horn was blaring for so long that it stopped working. I keep calling out to the car, trying to let it know that everything's alright, but it just plays the seatbelt warning back to me. Wishful thinking, I suppose.