Elon Musk said the black eye he was sporting in his Oval Office goodbye May 30 came from "horsing around" with his 5-year-old son, X. "I said, 'Go ahead, punch me in the face.' And he did it," Musk said.

Elon Musk attributed his bruised appearance at a White House news conference to his son. “I said, ‘Go ahead, punch me in the face.’ And he did.”