I believe that what he is trying to say is that it was his experiences that made him. The things we experiance in our lives make an impact on our personalitys in one way or another and since our experiances are unike, so are our personalitys. A lot of our basic personality is there when we are born but the things we experiance can have a small effect or a huge effect on us. I beleive that what he is saying is that everything and everyone that he has met in his life so far has had an impact on his life in some way.