In one of their worst fights, they wrestled to the floor and Elon seemed ready to punch Kimbal in the face, so Kimbal bit his hand and tore off a hunk of flesh. Elon had to go to the emergency room for stitches and a tetanus shot. “When we had intense stress, we just didn’t notice anyone else around us,” says Kimbal. He later admitted that Elon was right about Zip2. “It was a shitty name.”