Writing Prompt: Back from the Future

A knock at the door catches you off-guard. Upon answering it, you're greeted by a man who says he's from the future—and he can prove it. More important, he says he has information that will save your life. Rules: Anyone can post a piece (850 words or fewer) here in the comments section. I will post my piece here as well. All responses must be posted by midnight on Sunday, May 16th MST. Note: This writing prompt comes from Writer's Digest