I wonder what the father of my father of my father of my father - dating back 1,000, 10,000, 100,000, 1,000,000, 10,000,000, 100,000,000, 1,000,000,000, and 10,000,000,000 years ago, respectively - was doing. It's a rather trippy thought to entertain. Think about evolution, genetics, DNA, reproduction. In a certain sense, "you" have always existed, through all your past "fathers" and "mothers," through all past plays of nature.