Our thoughts are a long chain of thoughts preceding one another.  Someone may come into your life, but as far as you know, that's just an image given to you by your eyes and interpreted by your brain - a living thought.

Would it not be possible to remember anything from the past by linking from thought to thought?  I was taking a shower and thought of a song, from the song I got to the game it came from, to a food they ate, to planning what I was going to eat.  I then thought about how in the heck I got there and had to reverse through each thought in order to figure it out. 

There has to be a connection between anything and everything we think.  Once we discover that, you can probably remember anything...