Who Knows Half Your Life

Who knows half your life? Maybe you've never thought about it but you've probably done it. Here's an example. Maybe there is someone you are close to at work. Their life in pretty interesting and you talk about them to your best friend who lives in Las Vegas. As time goes by your Las Vegas friend knows more and more about your work friend... who she's dating, what he does, where they met, what she likes to do in her spare time, that she's now engaged and that her wedding will be in her home town and she's having 8 bridesmaids. All of a sudden this person who she's never met in Las Vegas knows half her life. So have you ever wondered about the people out there who know half your life?