If the latter: 

You'd be amazed at some of the things you could learn about me. 

Few people could say they truly know a lot of the little facts about me. 

If topic/general intro, maybe something like: 

My life is a rollercoaster of ups, downs, bumps, and loops. So far, I've had a very interesting life, and hopefully there are lots more surprises along the track. I can tell you about all the things, big and small, that have made me who I am, but with any good ride, it's best to start at the beginning. 

I was born, blah blah blah blah