Your best friend comes up to you and says, "Why wouldn't you talk to me at the party last night?" You think she's nuts. "What are you talking about?" you answer. "I wasn't at a party last night. I was home all night with the flu." Your friend doesn't back down. "I saw you," she insists. "You were wearing that red dress we bought together. But when I tried to talk to you, you just looked at me like I was crazy -- like you are right now!"
You were home last night with the flu. So who did your best friend see? Your doppelganger -- your exact double! Such experiences are more common that you might think. Read more.